From ff94ef92542fcd1eec9ff84088d5a009a134b1e6 Mon Sep 17 00:00:00 2001
From: Seamus Connor <seamushc@gmail.com>
Date: Mon, 8 Feb 2016 14:13:45 -0700
Subject: [PATCH] Moved away from deprecated thread::sleep_ms

Refactored to use thread::sleep and time::Duration and updated link in
README.md
---
 .README.md.swp      | Bin 0 -> 53248 bytes
 README.md           |   2 +-
 threads/threads1.rs |   5 +++--
 3 files changed, 4 insertions(+), 3 deletions(-)
 create mode 100644 .README.md.swp

diff --git a/.README.md.swp b/.README.md.swp
new file mode 100644
index 0000000000000000000000000000000000000000..1019b281b567bd5e01a894eaef2ba392a5ce7309
GIT binary patch
literal 53248
zcmeI5TZ|lOme*^TT^1H*XJ!X2NU%$K8t=3nQ{{4&-F6QQt#a9(_RzK)m%E$BJ=8>I
zMporGGb1}9)8!g*dEla5BrXC8ad`k9Kmrzt;fdP=Xci=d5X%clydikw1q9-O9T30&
zIo}r%nUz(pvd8Y3*(z1!Exzmd&UfzTi_ZG{ckZ^XtzB8+?{h0FKlc;=`29co>B*=5
z)4|G0+0Dn}ywIIv|0V~+e0*#PzxhW)gO`eIl9!hzSyATWba<(lmDAy1yjxy+aBK7C
z-CJv;-U(VeD{=;bGYFg*0<&p<_4;R4HrkihRp+%Yo@;&Kr{6nq^|OL!5IBRt83fKC
za0Y=h2%JIS3<75mID^0sKLn<epIrH4Oyk#usr-)c{;7rc9}nMuGQ9un!u?+#zW-Qw
z|I)(!p9tT7b9he{?*E4H{inkFwT1h?apC^0h5K<_aUR<X_kUCP{+aL|HJ>=oIIh@#
zXQBS5!}rgJ_epq<{e`b*Z)XrVgTNUC&LD6Gfino4LEsDmXAn4pz!?P2AaDkOA4mwK
zxY~0@_Ny8l{{N`||F6%kto%=|Kgm^aeaw|`UF7;a*XOvtfwKG&*S|!m{$;K&phW*P
z*Y{Aif0gSOxqgA`-=MsI2LnMD<G>RX?itrESD)*9q3{2r{$KImqX*eAdy<Z)t?phr
znPx?6Fm65E%UTZzNNBxV<hw;W8WEV#dM6$4&eGlN8?Wz8r<3w4moD}4?waBjR)^eL
z%ZuGh<uvUKvrC;ke|)Jw8+WIJd|a;WO-I8ExLaR)t#v#8xU#a^di2F7X)#cZ^2%CK
ze$iW|;mI&PSZMjJZr;njdcJ*||Kx7^I7>!Z(#=Pc!7w}DzMO1#i+ngtdinl1>E}hV
zHyBUL<ow3w`SzRV*Ejj^kCRb47@u!n=cnZSwHy4F@Hfn+$x{j@gN^q2jri-Npn)N!
zFI$E7z1gUf6;|!q&GYT{`SupIXxnO>=Qr!*rN24=?&p(Iv%WJ<rh9`j$)09KcTfU}
ztz<t-_R=R=k|q(lNoO$bv4oUOr`$i^zQ+A-k)_kDm*is&+S?@pB}=ZTm2}+ml0}wG
zivz2jC$ln322-jeR`RM!c4lhR`UG6prpfN$Nj6rov~KuGI-F%|$p>_sdMN{Nl2f_N
zM;Wt-;~SJ-V7iwT8Q@j-YEuQC+N@|w>r##Sp+LZYI!>~pVDW99bVO$wac8z$+HVZ6
zOrB)4m!;)FGR?sVFljKR>OtM!q{jM0s4c8dR#(-;_;G(W98z^JOSD5G3W9KHsqS|7
zrrcyOLc*CAiFPl{Bm2fDjO=WSo5{xW;=1<CQ)}Yt^EUA+wu>V)8$`<_JYC!k;0w4t
z7>#B|w35z2(#!hkY&cy@Zh)3TzlAMOqX?+O_9@H3F1VBQ2K_#z$5T21IfYozhRX?b
z6ciTHrOD&$U_URksk8-bCk6bgTV1kc<LCzCa+;;RwZqud{)DlqMuI`#5ku&8dA&hm
zg))l-^<n136-pY2s7iquNj7B9*7SK<<$F21?5G9=&zDM%9kp28diRgAvJ{nI<Cm#Z
zOVL^<5h)RbQ>Y9$VuWLQFabw&A2L#}{vv`V=igX=%4MWwe=yxk_Em>2oWcsZgb#ss
zf1sQ2@JTj?8upWed<I#gXQ;fB>nn-1k|s8Qa1RcBe&hB+GoiZrY0%uGiuLlOlTY^!
zH)H*jd--hGqnVDeCn)WHdT_X`ArEsCWi3;fyAQGilPH|n>?ku}FWY{q_nZoPdkb{-
z@+Y@5o=G5|+Nx@@PBMh=KLCQo+ekf<g@oL_tUFALR5Dz}@vjK|Mgs^R+_)xchRoa<
zXIT%C0)}c-x57;*or@dP8E5;4Xt9&Em6s=s#=W%~M4>sM^!*@(w&Kl|l{@_w`=_P(
zv_^T6wf3^%q?H$~eIaveICz}3rg=*OC|smf=EIrEx?i?x5cpPFK9(r`=(R!;awppz
zjK>7~w(@anP;}Qu`L_qdVJfM)7N`-yr)#4@r!$zY(e$Oa%B(<K`RYQ2pQjv+4H1Vo
z7FxgX<rX;AdW6_hv=BjNqq=qdRxXIulxI?pRHvMEimcZgOzRr{-G)+Fgz|;87LZ|f
zQQ!muf=4H74MvDfPXHH_W{<bn<X>)0hA>Hn<BP9~pw6tJLhM4;W*zIHn<BxNm)E=S
z(XtT_Z8geEpv?u1m0^ws(^lG=Ac(b!?BiKhPS35ZfUzuu76U>%7!RfyV=IcROWAR`
z&(v2}4K{J;r4=^ea{&2n4YU5VCE>7@Lqb=xF_^s8a=oG@y+Sh+proDb7Wr)46AI8*
zPk1oWu(_X3TN1xprhu$zTnLTa$Xky()6T&(E5B3&cnU#A=d$^SyBAuICI!;<<FYQ+
zfKn)R$;+^OLQ~<}INxt|hlB28VVH(#ZLl&!ZqWNMPZ=-2*Ygka5ehXX1uRk29_Gwh
z<ypR}hGsJ;0s16oAstwwS$EIcEl24PO>W8;hy$-c!m)!u_j1q~f)jc1xb+oO!JxPm
zt-v?Sb1U1bUU#J-?`Bh*9*Aq8M&gnh!+Q2w`^8|Y&!RJQ)62ljad$ZDv67P_Mf2=t
z479FLWaT6`HHfB}VoTEoM!V&T^#8w!bN^Fv;J482gAV>%(C@#%^(n3uuD^?(|97~)
z#C028zk{CtmvFlOM;!bAf$JY~eTVB$as4;iQhUE$ZJzy|LEsDmXAn4pzz-$_F1Fql
z_cT$)IDC<JQRrHEA13I`Y>p2)BkN@1-EUzng%|P<6RstPmdPcE&hWd|CQ^yDTT2ek
zop<xR*UH8@W}~-aDas-{1yN#OQj8=l8LC>lJ{aT6$fi%H6~AmDXAKbfq~Kvwlj!$2
z4BT0}#Fe++TDjQT%E!}UfYB~<!M0-V=USWNg9h)OV#GD}J4HN->^QJulNyb~OZ?cA
zWPw10A=d^_--R1Xf^D#5m!FXrQ)Z*d2g~I-hISiUt_z5zCIBDLX>!CmNbK9)MYxbX
zxe`!JCfAH5a=2J>>EZpG_Yr-{sT-KHr&nK436y5MzL||@qvSy*xkCE#7D{M(e&bfd
zOtGEz%u@V@ZYAZkkX@s_MO_&%-bOD!IO2X~tiVE@J)Iz^U^cv7B2NN%SI4TJ=PcKw
zblTlZs)CKdsLQGjHt>y2A07>3`rf#yp)VR_%vOHg8mSafm9HmpxYanVXSVAG_aoX3
z0Ejl5V5m<FT!$?6W_g^STO0*u`8&}(uv=i=PI~Eq8Db?R$`mWReZ$&RL%TNRYm!I(
zE?2?9k^#iEZ;KRQ6zZWo=UK302U#~c$fj#Y4*=wt^Ch?`BYXOyjuA&+Kw4SZ16Wsu
z0}rwidnfoT-v>6*a@rFbY;1z={^8xUD6>1`=`9)7=P^DyPN-`zVR9Q>YiPvsM99rj
z+XnAH=9j0*#pH^9ZdmA!a?1qdj=q6I$e?wyM%RGqkx2a^MzDQ3ed5|zJ5u$T6zwwB
zBkSMaOU8K(JFK@DdH0KaybE~d_llaS_ev9|<66F`-QU*|(lYB#liPXT*znzSl6D7E
z>}u}EvS~I6%Tm|ZArgQQO3Qy+HQmP*y1`~$cd$Xn++T{XFKUfG9$&X%T^OEf<1nM#
z8-&$80a7iSa5dG19dg73U(~2rP4FZuvH;?h%~n6#uXtwJ>R?^zxxz0^wsq%ASRS%5
zBEuNbM7N4V+*xY1sm_6yW22B~_PuczL-B5248EPA56e3{-Ghks$}r>K6WzYg@XnrZ
zuggEno47J>fdHQ4qgzw>AbSdLaCu(MRKh#B_t6F3A7T}6uMc`zsy8)(@MNzVj{s;E
zcz!7->Hau_@vg&_+v^BbDtGxBFICr&DPY4d-^x2`Yk$vN#-UAL1-@9*R;|(gD94Zl
zNUXlO1&ukc1Kz<<J+0U6VtV3>CQFZ)j`(t?&kGU~uVtpY2nROEvN?%dr9kBU)Jz&{
zB4|+Kb<7;R`qYC<lJD51Y!)u)slY()c|IWb)#WQm(@9bVF&ho;UrO%gDldb2fIJgl
z-vlf8p<)E(!MJNQVRN(KgWTf_B?9P{-a>%!$~R|jNcI+J#HkoPeLe4N<D!tOblvy0
zKE!{m*-iyhwbfpq8LtuqYl(rMwUQsbZU}U^9hQV5geQcK5P{n3HY4M9+5ShbFAl^J
zX0dY{+O?Z><BtD0P?~G@u~Y7W4_ZG-Te0W0E{8;9HpoM@BN#OvL+g)TA7M{b3)i;v
zuMYyhJ}mq9y|lwU@w@f)wKc=e<0~~=nj66|%O)SaUN4)5)i3hV&Iq&hp#13d_SN-|
zE-V8>v&rUX2Yvv|+QPzWLhv4e>hfX8Hk%2H-h{yN<%s*-`(4tZq<G)K$HOQvjdLHp
zzOYFdbNg8kI2};0t{(+dNA-yCLW7h1M>>fYQON#=Fvkd^f-u%Mr}=2m<->!_+}B-U
z+m`VTVeSNN6E4ChX?nb2pw0KSPs_AVQGu^Q^Rz3C+0auVI;xcOa`9s2V83{g@4a-I
ziZbG0=T)I7>-z*B@#e+l+1Slg(&-*@C}B5zbt3tO5%I>JWJcN%q03TTT71h;)On2e
zMlI>rbZ9r7cBOblaTn;Ge241HCb$o7^DQ3_5yySH_SK674ncE`F6Ez}`hC4>eyVEV
z;)7H;&G(^mMBN*rSH~iOLzZ|cq*sP%`qULfC4$%J%s8+SK~4Bj_!Yl_?5NCqu-fh0
zoL<wN;RP9Y4=fA|kC7H{)z@t`L>H`TkJO%Mjm~(_V~7A>N{g*>CNt>sgEJAqR*o><
z<Ras3o{>KjLF2OB)B-u1#EYSJaG>yJNZLeQKHtS~A*VREd97)-{bFDb&@+cyV2m2G
zF?uB1_WC;-^E_Z_s!6@o_!17`eM>;z#2a;Lj^U(Y9%Hv*-Z)w5(6H3UE(MZbjEws)
z+0#^F#r%)H#1VIc=bs{JKkiyp09?~14h2*vO2Ig8yZwPm;X&fncZadXt%oRks;;%^
z573Y4Xi$R7ZQ-*?HtZs&0*Vu`0yW+j2j^ljt!x8{d$t`7zswj!v87lf^0J74=gz66
zll({A3ZiH^GXx!Hh)p#;VPsC;OwOf0m*MvEq5MpI$5y7%`XUVTt~RbwBL9W$12Q(|
z7I_Z0je=OGrFf~eXB2ZVHaZ)&ejquMA|q(d=%9(Z6@7|wsd#U*r%vW0G@4wKIb{2}
z@oKH!Vcc44pIkbF>f_Y!Qd46ri2sxp!N>hQLTVbb3A5N02wb?dxpRWm!~;(nWu=PS
z^eC)%ASzNiO^4w|oNsDF=}u>%e>A%8V-3XRmy08({_4{(1v8{3u?fO7y1T<qW*Ft&
zMQbOmn!OFO3J>9jXh-CuQ<>3#Fg?B%voWu5xiDyB5rK%nCL8@3FQhE}UK{alsJ|Yt
zidFCK@guSwuhxZ2*n17(y1o9c0h$u^fYIjo9{i&V1lWAm)+#Ual)v@|L+R)I=6tXG
zntXQOIUhD?V|BGTBa{Y>)};YH4Dm!8g$cCWgl@0|RffBr%t9&oB*+sPf_A3g^-T=C
z#z0N30XW|%^K4wQAN8CuO$`fs4m-oZ*s7J;%epdTQ`}n$(ww?z^iqLV26)OEHM7a{
zrNOd%Kcc${H(C9$H|-d(E))v5!Y3n?jXvn#RHMk`d^<TJ$P(>MIfBV3?fbwK+{Oru
zP)Y<ah&31%F;AlKjSfTD0z+|b42-}&;Vrg&;u)s?^ZuT8PuQ#SuvZmC-UP(T7HQF9
zjUJ4OH}Dk%EnJ;8a#O)PGM_5U#pkBQH)BIV=o_DX?nW`ep1HYnQlp)Lni|qY%YQXo
z;(YmRTPEGLNNs0<S{C0Zm~%BBYo&kyLNcJGjR`40jsi=k1lNWGuW$Z5F&-t-)>mCt
z`n?y-|Np-~wX*URC9)I$AM@z{5kCGuL+t*5*nPzZ{0r{?bFN?F`g>fzn@e@x<U0HN
zH3@;27qN!cNt_dc)v9!qxp=jA<E@t6a${YUZt<cHuNO?EaH?evf%4;-5y|Ttl`U0P
z_eCS@Lt+g>Exaev#VeDn|6J8>7<`hdad%Z%_6Bx*b8DDK!i**Aj{^7|teDwPPOC&i
zUrzpSawp-F%!L0`QR2!MfF5E?Tue{sWC@}*0h7d@7a8UrcnG1E#1&&b!q-S-SVi5E
zJ9Tt#;Km+a+{4*Pz1g6IK@ns--OotB2rex7O95^V&kmg2V$`66b9akuIxA|qk1=~h
z>U=F6TE=}WheI4+LGE6)sv)Lf@w=!~VR?vNj))1*uv`%ce5BZb$Qlg|#n~4U&+xnK
z%M=>3Ct@?NB2@^1iGN?k68o>kb)%GOfcSRPA&CJBH&mE4j8_=lwKB>;QSwWaceX4F
zTS9p?Wd+8!uY(NPK{CU-400!V9}P7?rw(x@>bBQwG^MhHKI45^tWVe-nwcT#QSLO<
z+XO>4QK;!~$H$9`n_Lanwq^VBL&OK4Y&E~R%_%r|Qw(UnZSB~3{}7{-6S7&wS`{{$
z^D%5)H^pf<3id8{1Wuawvhvea+d2#xz^^Js-2LoOh$Hd`tlUOjOyG)?fRWW*Eukl9
z+QUZAA}HtER}*u43W{cgijAq^=lG8(mjxmbGYU-eAS^!j7=F;lHYSpgQmokK*p5VK
z#0nBq{pYg^*o&fxyscGa$&pu>8+VmqR@lzgQi$5`WUJ&oDM>0#B()~US4_?as|IK{
zg08XG&FQYq5bYLq7F6u9d{J-c3-BrFzB>r04IgzA7wX&dxKQIBf@d;Nm^)T>!-hqy
zoXZ`20NqeJ&=%c>{XEa+2B6c81Q&I~VIBtbf>?D7B1VLRP030r0@TEa<YFWK|Du>#
z{+PUtK&B`uT?%qkc};^`yuuFYKu#TpDVxu6&Wy7VPJvj|wAtelTK}Tn<nIfP)Y8k*
zNHRy6esr)yaWgRIk7om-l2|N4YJ|f?ctCUVK13mIXU7H7;qb7rzLtUNB*{~dB#3}K
zHSti|D8wV~HHZf&7BfqP77Ml29p$wnA!W4VQ5CWO=%tpS<W*-7$2lw`C(pwQj@h(J
zZ#8zZtlZU_2%>SL)hp%8*x((omh34)WMgmF%M{_;2xzjxYm!GJ_mOR{?v?g@`B}uV
zGP&lK+2j--@o_C+R|$M)d_bb+?#yIY<9)g{FL^fF+*Y8Y_~DRJvMZ~1v;E6Mu+^9b
z;*=${x&Hr$P+$MFR9N(XQuOWbU!ni6qx)~8`|I8>hTmV_o1!idbzJe=(GEDJxcfE4
zJS0@|Kr+j%X47mI1yOKmAi&yLnz#K6LCV|_!fwFK`@pN#7HULrh(iPlC2}uKx3@SP
z%ga7K+dlPhv8y-Wcw0$ZFVNVn<ceOdp1(?XqA6;1e*T#G?D(uCZ&efU-4&$8`9fCi
z>WyaWSE+d{qrNAwSvPgSm<>feK>UvoE$5j1J@5{CNzSEZYu-urNeuUm0>eY2N$wD`
zDF>7dM&6`GxK%xeS0W4q$}uP38BcyUB4P4SNa$+yw$KWUac`vvvXExcPnn1WGd&j)
zPvWGkFuq~xkfYMNt1(b=FCHrE6m_<c)@uZTkQjZ`AqN^?7#B-0LPpjJ37Kz#x+&vi
zSP5Ai*JNoTnN4D8>)D7(CC%Kigj%?qgqK+{$Y&)B><0n3zKZ9X!xS7Q>>=<^|7<2%
z(#bI7IUh!SP;47Av{6bVWlXG?CDnwa2iXmROFkjh60FoDl%WP`rA#>>#FWjO)>En~
zXcNs#>{j_E0$ZQ4=%5H01u!w_xDPE<HOW)29A@aOzgjiwF6PLZt7UaUb~<@~3&RO}
zNRTo5Wzr<#hkPhg^u2ZVqT4gHXmGPyr>Up|5L!#>*&Ru<jHw={I0u3i$)=ig+Jugp
zt_@8?Wxqm~Zi(z@bjK5#59H>Sye)IJr89R1;Id}={FLWzCZ7Z3MUl_eR_Pqjuw7_H
zf@k`;4*=IJ!t9l48&N=sIs+VPFE1DtsEo9rY|TMBB=FGpDLYHLLz;B6Vk&{A)GeEZ
zTp8Lxjb#nusaaZR%*00OXc3$Qpyo-~)OHUI${+`3v3ijP7}PB;*~hvizmsuLZM>z_
z(D>@BqlUhqH8$VK$HdIRMU2g0XEjYMF~>2mf*_VYWu=cqfegejpL>*_#LVj^g(48F
z<rr-wP3Hu-+`X{5Pp7Dn=rN467R3U~l#@-xZ~8jhX)1(4M2$e}Q<15A2$;C+q)$*f
zA{BAk=1aDpza_;5yPFt>;TUKk9zk&(E+OvpjAMa<jbkfXVzEpk-=nbbgJ2QsOEi#i
zZFI2HAK;YR3E1p1PFsO{*Ib@aNl<RF;2QRmbU4{dG2JQ}OL6nhARn7maXHyzX!~JF
z<%r(Up)xF%C+g~+mp#6p<B8op54u2ejFV&s7czwSD3*<1i(QL<VJ&V0+EO+JIG>@4
z$@kizwVlZhiZGhW)-IBM`UJ})jHI%ti#r5cVIWH!2ZXv{$y|m}_MOpL;29WZ-%IRl
z(5OZ`LO#1yH$B&`S;L!W!&FBJiSTJ}7Kuechjy@*jq+~|9Mc1?sL)Q;{>#Ob!+ljN
zbOMz81o6a7WJ{^i>0<SNh^W#H4AL3Su|Sh#pI%0jpe#glD9FL6kx~1KN<bW%_m5SK
zzDBBE5}I00aE{-w84M?q`QtY4{UV&mHN}y|=H(=yx&07K%{HND4_LkfiXJ`SfH}(l
z{~7%M9WLqr@f`er!iVpm|NjH7zs>cxxVE@{it966e~knC|0>saF&L<Bs`_VtOCVs`
zBw#>!Iyu4IsGOJ~tw%PU5S-)UAu>O{2|K_|EWnCM)w1l4%YH^+ydms#YCqx7E)Zh=
zHkhV#j+2}sh+caB>Wyw6th%l)B?n-zSl=A6L-d1tup=i>VJl{3MAgwVptL*4pF0c%
z0e2_+cqu1t+=WBVXVblO=RgH71<Oim0`}Px(|YT;9rtbq$FQCKBWYeIb4YQM(;ESf
zUnGYa)3!C@hp<di-s_bi91Cp?@w0}?Wxkr4%Q6##Od|-e(rqzA?dJ<-L07YNYcCt&
z>w-6jQv<;iiq}1ve><A95uCAan|yP)PNNI!TVi%2vXB$r7JG5$c^y0GV^%$6+^VW+
zDTaq?phVs2N@7QrCz7!0RB&QGCRUoE!*BbqSYbHM#Hph*Kf}J$vAkas8|;|fWvt<o
z+FBo?kjBm9Q3K>FEZ;%4aiDfk4%1vsy|EtyE=!YU0~xkSh&8u)wTX2m!0w*aHucYg
zE;zQ$kQ!xKQ7VYk{iqt%`%n;CvI)lw6^bnDjGN{gCit5fL6~Nd!{Q~<;qfFv$BPv-
z%4)ZVUK9)sNTlG~c3|ZgT)=vQl&v+JwuMbs^K+t39EIzzMnIZPPEzcul9i5WE%1Oh
zv29C{tcXXwXC2fv8G(>3PQYw)nM}Xh$HaIj8$7TiPG+rt^$~|-R_mX|hidKg!ph2{
zhp-eVLv=c@v<f>*;uc3vk~KoUr<`=HV3gI76@a`YqilVC)FC76+(EqpC|$&3di$KC
zo0BuW+sHE&xa~wU5Ku=!*l851$H@-R>vJn#vy&-w@&p6mm`j~L7Du{$FrKDQ?bN32
zY=pse&@GpZR}FVbc`I7hGRJjMnA5myMxLZ9Xp|oBwqSsG<5b5yyaz53GBG3K7CS^Q
zd#Y{cDNKfAPF$mjQKXxdc9pQ?Qv=zxiDgTgU|}*I=f+?~6kAJ_W~9+Wz)m{CPFbVX
z^P4Hd0E6Y>I#NUJU1`|*8sm{z!J!4%j*Oec-~>c;sq~1)o&;W5R3+`WZ|3F2C9tdg
z-vzc0l&<T9&n#K;0H9Ta2ug#;5-;V((|3TbOjsg0zO-%|a{amnur0W%*&-nvgtJuz
zF89?8F*-tut@;bu$15bA_iWhcR^vG8k=@JpZKlB~5Nvr0K7w$u^_Ux9I{8x(w<9cZ
zrwjkQS;5hXE084QpVt7vrgt#l4bnGMT7l+`ZSed^OLq}r!M58Zs~seFyS(Es3Fx=6
z#zE5!1eUoCasHx%WRmI_p0S_TOXlEhYfiIpOm$Iw5$PSjC0vG22gJVPI~po++nk1S
zT^mX$w*6J1eK1L#&>{Cw1nkwBpbc#sqV2o#!F6ZkuZ0t_6&I4E9oPWt)1Kd>EE)oD
zdo6)tVxI$rBtwAEHTs(_hn5!>6bh;XIgRvcEkH`~SKgIwAQW{H%h5VT&icw<WRWR#
zi$UhFfm_c;tC27iO9_4ST_pYgkD#^wdugud{~YgUe+l~kFQeywm+PN#{Zp<#!1V#w
zZDIm$alOfPo$FVy0sK2Iwec&V{wMY(bsPE!jeD`M7*n*hnwTKRgpSU~YvGm&;XVLz
zc|<@h%djTLdf4oUPT#qfuR7g{rdzUohsvUv7t<H_^Ig<Uuh_8ps$#vx!@fQyraZK;
zwCmskUvdCR$Ihc~3+rAgR}8cP?gsK7F;ua@@Q4LXJd|R4diaKx5a*ju!o1vWOA*VY
zQQ6Ij6UQ~c=SsSkUSN65I==rgVc9O|#2|FlRoZiO;)K?Rh^FR#7uzyRz+hTt!@i6*
z@Z2gVsqRO5Z4#{JeKCC&4{py2jwN03E#z&>4z$Z-Dby4Uiq?!JsYfwz&RAfU&~iEs
zCF@RXSbo5}I6uTw*<cGmQKW2iD=8eG^Vmdesw0d6&$hvk4~pGK6Gv?Ic!avEIWU`G
z3%!Gp3t(Qo^1?^hSuBOb5a?W-taUEK2e2^XhF0n}!u8xDO$$yB5ktO!((uxr>ETnF
zOGXJZaiM(BKcW2rT7buUSE;zyQ+YAN0aP76H^af_GdY3{Z!4U!;&@o$J1Z0;n1Qf2
zUxm+$(#!l7nz(67ra&rR;M}d%(8}VkaXqU36k2zvkPc8Lz5;bR9yu+B+30zxq-2s*
zBpyf6$vMMV`?^l|AZH*#(Z3pzjM9pFU8r=$M4PITpZcXAm&EHc?(f^b)2=%n?GW=_
zwWrJo!8T-HXs4N5FZ$(8-uK+_hWB?{WTN!E`RMq=NT%Eq7nq};P2O=$!24d+!%}d@
z0-+oB|E8ml`@=b#UIAH%7Vw~3Nr%_l5C#3%ncHX9%)6YEXtoUo-mLEpF#OnxJ<4Fd
zfd@pb*rQ~av4z*l2D32IK#n~YPi8*DDWjPd{17B3`AA4Xwxg&aEf6BaAF{~h<8Fv)
zs~VQIB~ZMvu0io8suhtHQ;zJQe)yn;>NenZE5(*k6&B5O6M=WhRACmbEs7c{Oa7(P
zp+P@dD|B?#oqjm4O4fnX9hg@eKw~OWu!b1-sJ1$c#)MO2T;L7VnB^-u`kJMV1iHpG
zt)JRqJ+MU)g!GWi`e+!By0#Utrt~S8qj@@rTg%O3rnC8~h2WNl5o+705S9cQ^;mi>
zf_QYfBTF~y5F%*C*)IGXzUa1rhQ`(mqCmBbg0a~!gpN=I+y9eUM?Q<X@%DAv(#ANN
zPE&x4yLpM|G=3B5_~nd%I1OZD^WvN)=N=fr%pEVHattuUr!s%Vist<tsEp-L?gX=l
zOOOkZ6^rCiB=t(A?y2dftEFLQKV3B2j}n>%A1vTBtz3CUOL>}WS0GWqpt{}?{E-K{
zu{1)UV=}B>HZCz#`O0^+!(s*+NYNOeFvD@j^vLVMRoyUBH1WoF(hI#h6N}bHi5^g%
ziaxo~(M^kNX5@ItxrmPm{8jWkgag`8j~hDSBD4_zW4D~SQBj;awI>GB*HzosF;da`
z4rB10rClRrxKl^fnb2&JbVldYi;P|{4$-dwGxH+WoywSMRLc!g#0@|NB_CUyTQxa5
zml^p@6Qo<Mf?l^g;&E=4V)>Vk7%lyJ{Qv*McmF_n{0;qo4gLS~`1e1@^?y0j|9e~|
zSHZQ-^;xdJ&-wnp#C4Nvi%V_%{<HG{J~7kB4@So_!07b8oiaK+PN)|JVfC&IfQY%3
z^XMe@l|W}L*~P3S4SFS$>65HWTr%;=?`PpiM^3Q{d$(yS4P`G|SrqZ%4mByK`W0(r
z<A??>nqh)5RpA<hMeh>D8-784<bhq-1zlJaU$?XeZCcYwc%uVsa`sIh>%eO5Yrh%o
zu-?0sn#@Y#p08i8?L(jV*eW{^a>+aZB{#h<@NY?aB3vA<Vn-G<e_U8MPMOl|Z8><K
z6NdP{762f?HTX~C&XswIrg7&D4kSGUQqkh5i|X?U|D8kOJarn4%*g?xX6#^1q3Vj-
z?(jq&>_^p^fY@qaWtFNd>|k`}aR!5!xSwX%4mr{2T&5tJuB&l*pT_;9upwsaK!xB1
zl2*yH(&U*GBSKk9(a!lIMKe5(PnacRizIg4mF})u_wGNWSk+tARqeg=Cr#=^G_$$f
z%Q;YAT+ZCDF-C^x0_b5p98Mqov!nEYNAYm7e$Zg$^yFCiy_V^&Edtfmz=1!TXx8C$
zq*mpDwnyhcS{}sQ5Iu8%hc6jWnb=7kzE!G7xk~-js(#R^=;1!6>K5hRU~<wX31syO
zp^ZfgQ~-oKroXbHr!_SnEM(J7d&)@Zx#RfJghy>=!@<*Uynf+JC3BXO`ypqSVdo$E
zsFdaz3ay0`u?D$4IBGS-1DC6VZhyidpI0tjXxZbR(y>3&;I^7RckZ0KmG45TS)t&Y
zc4ab{x=ttO+bL-7iIPH{a^S^SfdKsw7G%;EbX_;W^<X;_O#}}mZpAz2+ix%c^EJz1
zQq;&k<-uaYP%zr0Kq0fcITRm3R8$lSF@O?MEZyDXFM7?e3_B>P!fFX-VCndAv%HdL
z9-5|W5%uhjBm{CZUWbmS<nc8`Uihz?PStcL!zJsYT*Ej~4NcoQii|F``ep_k(X3nZ
zK(*?}NSN_8^o{|s@YC20W}>L@oFh0>U@xj+gpZ;M-h)nuu~)5ayMgz4TJr{%@?m4Q
z?dUOxv{#(e@7S5a?X_vXQ;kOhT__mFX3DV)UtU)Sq0d?JLbEIY2mZO9LWw&%)OC^%
zu?v78!E#ga;BDFegXi^7zhLF^uG0<zg7tm%h7KN<X1*|H?kDUFVoOA9h5tAMfw2#M
zNmp%qtV41aD^<*jT7=6QPa@Od0zQ9A+8~H4BB+7K!r8ZFEss7-%C`r%r^)ZjK1>GN
zN%?TF_4q>@P`*R(3psK`8(FJ$b;lGp0r=vaGMaTksC#wJwOwFQx;V!i1M)4x60rif
z`MEc^;Ki*QUOxzqab6i@SXdXoBq)Yw?3r+4{Tz0ldG~YpfQhuKcx)Uuv@fyx=!~I;
z&I@!gu_5iSI44Wa)p5TBgvjQq#5+w>ev<{^Dab!j3W7WwF*muYM-$m^0iH-U({zDu
z!J-ig3QiKi>2SB;oF;V)Rf`?z^NarnTY)x!lTp*`k$=KrRHRUvKTD#L+54~@TSQ@F
z!DG}O&U}eSW;h573AqpAl*a0v`GyFI=OLa(Y{{&{fo3?DYXl$;ECb)=HV6VZ7L2LH
zV!>_1*{a+Zbtw$2yTtmWg;Zo?TvGP~S~{w;99U7+Ii?5NnD>6V@FxHNfBy8!%8%o}
zm;N8s_kWAtuit)5zn}e`LEsDmKe`Y&Y_d6>=zkP<4?3rwdMx_IQ)m}xtsSQ#wbX8l
zw^dXX352Xx``sNnBW$4q1+Aj23=|hb3fMT)$@{4ePlYWua+sG|<zYaFd^<}e)zeyx
zf|cUTYV_O|tx5`bVXINY!m}XQH150_tB^}GL9WEe5{(%gX%UaAG!aD1J{n@GR3m;g
z8;*GoWTNp@n0Yw>DFZg&gqZ{sDXu)1P`8B1OKfPALgLW=B3_6nBhyN%AVEZmdLK3g
z8aE+X`x-~$CmUl$LSmsaI^s2kGnjVbgRu}L6R;XG48D$P`-g{*N7*V`zbpn)<e@nT
zY*eFQ9Wybh+SIO|%$uH1mveU%9jjzRn>A|Dt2RlWhQI`=G(`D0)V07Nav@S%C$>_P
zzu$K3Xw_!Ftsk;ubMuhV^>Q@hp4qWKNjtU^Dva1{Vy&I+Wu2-kl)0#V)#EHgDH4WF
zG1QV`m7Sm6KNp#S9Sg%m#nWy3V0Mq`KqJfJrVuXCGU*Y?JVDomdZ_~)OBCo^^uq)#
z%5sLhE@vuMtz&0LueDgg<`nEabs61!^P+xoU@P?Y!0p)<rbIvs(+EeU9dVLqbCPC#
z^n43Oi-k$23AM?eB1+UA&0wZ@BknYfvl<CV54JUB4GRPFtDk70V+H3#pUZ2WqFX(x
z2m5G-1yMoX;Q;qw_VnP>N~8B_#I+MkksqAi(D*Abv3?6n7N~0@K!#9tqlF6vqYHz@
zim7Z((oA-$P^GemYmn%<O>Pp{+!!cL3=BR4MeH#6IlSV#B~ythgxE${h8k}q&N9IF
zn=YlM`E_IYBrZDhIJj7OWSY|fJ3Lj*cvc;3R>Lpw9?>xnnbhY&|3C)Y9_K`M?THRj
z&2<nm_LXYj{&e9G4JDhieEo_9C<cw`IKH!h<_5xNNSg#OBRA8S)Oy<+u<iy&_22;8
zK}N|vG>s9|Lw3;tST#t!LCXFAKZ|BFl6Hgs&#`~@_cw_1|La_Tk?SvT{Z6i*<NDY5
z`Tq(f{xX;H2L3SDm`nACT*v<rvG!W)n-46m;hXM%!03vRv*_{Q;!c4i-#phH;Lb?$
zcp)Z!GG?s|_F2h^&Y6xE1MZv@jdhvFMf0ExygLoIqy=aZ%q_WNW3$J>C0%x=1zc`y
zzJ2GNcQzk<xU==noqG@O-%}`dEaAROG2HnUu;cRdXr4C0A)(gf&HMK@-?_Q-@WFd`
z-&F&3fjRf5h8){&j?Y*+fopi3iNaeL5Ix9PC;OiTyUX-%_DhU$Z$oBTfMg3oIdyw-
zbzsJPqc?6nxOeB)&i3ZLo3|cpAJ^s$vXcgce6z+tQ5L_d$x7r`+nP*0&!eZ)gw1jN
z-c%TJj}-OUXfoI9{6xNf>&DKF_qN|YuBoqQo#cl3*$)ps+Afj6mnxEt{idh{xq^EG
z5(Y3&Y9TCg)I|TLD}sHiQC5G);U&%RAJM=`ZB<bpo?W>Hdo7y9d5MIa>c3WYj_X*<
z&BiuYUU49v0gcz*Q<Q}11<GpUT!M;efst9!*ICLCXt4>1Sv6~<4)GO!YRrWnZ3mEZ
z3*IT<8QKZuj7pe<3<QR{2e^RsqWE=og(X-n>rRfz!~NN>J}u>jH)uK>IOq5zyt{J)
z(jl^DhEIp1oQ=w)umfjLyV->BFeDUdg~3xFPXg2L^@z>C8Rytw-uJ1f2N~HxVZt-c
z;q<eks-T*}g9^mJ8mbk~Mblb<r?WAOkq?ph>=fI&Pv(By!Y-g=We#wei1y{{YsWD^
zf3sRh_SO@is@>hb9CbhA7q1}RNc5^qXC>KqIDNXf<_{Vy!pOm6BA~nkC@T!q9<R6d
zB5A0~F7xjQQgKfnMQav@<4Z9jm}-6)frrG_)bjWD-$}qN1XY)L8fyizdE7rvmtNLS
zvFIV%=zv1Qe%}ri(pz}<Slm)0^k$(Gnv%r}NMzh4`CQCXT>c?sAvnwfe(R`3od9Uh
z5fF_L<?w3rGO-`&Kmi;@-k|o=g_oI5B%uL|D5PRFkd0<o|6P}SJRD=*q;a|+f8u2f
zJvD6|$iS&IF|WC?^F2aT6tt;4Sk9MGXTZh{u)JOg*EJ$C2F*+-3Y1eGR2}ohERexu
zd)lUOQ;8DICUt9Ea@wm_rf$0r_1Q!2^`x_2=-cyLVhdVMvg#}lglEOXIBZc)@Io}-
zjLB69_EP?QX6QBA)DDu!D+pa|lCijyi~;Ntr+UAs%SCT;^T!4eJ;JnU#7vS8O-8%Y
zCu9f?29;?(LAFgT{7%*p&ZjBtsDpl%>Es#6nG`}h_#hkGX*I4(T8xUhERy@|5WE}}
z9rO@zi3n`BiHRfZAnmWGal_7&!jNOb#!_NU)6s&#M`TgvmfalL2QoooI^9;Ctwu#P
zS{-Urv?#iE7EK^t`F>SbB;8>0U<u}EhNZ09I2)9v%7%4wuw)V_loNlm=a>xxLc)d@
z5os8M8Y859JWnW|Yi;$g^8|u_sJ3?`8d4>52Zm8kJz?egL#E*ql$sw;;q`N-n<w<w
z)tIQATpb_zVG$+ZfTzhu*a&#cs4_c^4<xn;0L&(u9vr51)8t+()NevWbMo{+$Y)@9
z%Fz;d29|+acSxJA|9=;!|8FG*pc()F-e(C^<ofeG5b)1&{Ryr=&h@*vUgP>7l>hHs
z|CQ^%aQ!wewed4tXMbl9_+f{@c9yjsL8@9eIe3@zpx)&up1jN_XlW&fL)lY7PZ}T$
z<)?|&Nuvpu^(=&0ojlsApH<%4^3&;0+B({lA9WBObAF*deM%|yYvJ@Ldzf-KKPoNA
zFeu6|*0IFH^kA(Z%y?A^#A|u6d+9C7ieC+4w;6+L2{N!2W!;MSh~q%Y;=}VKf<a~c
zG3!+ZqPqsrN||p>%^u#rd0#@io^T@0Bbl%gJFx`B1Er&bFtp8yfx}*->AFD$5}RQk
zQ)>w2gA6(mrFETGFd5)k#nQ?^G|reJ$p9s3%&|s$_&X$jAI=&D%eg25Gv!Ttu56VD
z<B(ipj}e!)H+O&P544W?CQ)`?)D9)s#6eXu(T-BHJ$mlCqD<G<XG&mybB#y{@h8_Y
zYwMaCnO}iW+oK!-JEN1B6ve1-kt?7>>2;{i2@+)l4j$cC(hW<`h^{w8Gqu}jFN$HI
zN8OE}koBsZr2BYocrGA$6X!WJ{2EcLbGou>#BuVxFk%S3>w3B>p}$zFR1ziScoaob
z=~fZU`!YRody5de1|HSE$|c>arZq|iJ?+j_<ebw%_2d>6Z2sBv%~a*;;i0%N+$_Cl
z71(ATplX105YyQw{>f|~TM-!I{bVOc|7vVjoyb=)A2Ax%!m!#_UCY>9GueQ5IL#El
z))MQ5W6GK;`2Drnc)v)owbrRf8bA>DU)<W@vUGGx&0{v3*fLy9n$p(eyPb)k9UgX4
zkVV}A<9081F9C?!w!n$$NJ%vT616zc0?g3~RYzh+IIT}|iX?`D^SIIUNTD3-;UyXt
zc`y^ReE1nG0AIfbQCix98T6{LEon9yH<a6xbP42$xez=^qN_1CXCKvaeoh-RHiES3
ziAZs(jcUON@^FDeJwIoPnLs23;n>QaV4QXSgja}Bf79(9uB1FKhf;RD`8{P5dUhO`
zr_|$}80hij*WcB-Ug_}G$1L*AtTVG*2|K{pZNkaBA+`QqKK^!A<aaPk`%x~lH?CBh
z%s{O3k5ABUriAY;Qx5X+Epo)*o)z`G7tSzXG-1d7K|1wsl`1{p>FGy|tI-tf#&aGm
zB}Urzz((vL+YekZ+}Jv5ep~ZnG<H-CQ(Im6Ki7|{eckhL@MZ-tL5`gNEK&%|Z?8`{
zVAT4u<9kwGsRe4(Ov^r^ck_|>+?74|rk*8`YqX1W(c7{^sj<RdXEAu4TN-Ed^{SW;
z_}SgATE7)~2wW%a%h&sa{aAEOr1TYj2pdoS@01pT^Q>t>WhJo<71+?EnbQ14Z&E$G
zNdlca!6hXk(a|uNLS5hG4Zp=5Nh~p3-whm=7S>f3J+(!47n{-&Rc-kriF0zntO{qf
z*wN;m<(Q92o~Y>QVmr+t9creR!3IYPcrz=9>^GHZTMsqU!$A=zLTo8kV<VWhm0NF%
txia{Z(#%W*VAa?wwHj)|qpx8(;>jiDNn6?t<wF~R^pZANWDVl`{{bAp<Q4z`

literal 0
HcmV?d00001

diff --git a/README.md b/README.md
index 5e99bf20..062adfe2 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,7 @@ The [Concurrency](https://doc.rust-lang.org/stable/book/concurrency.html) sectio
 
 See [the Dining Philosophers example](https://doc.rust-lang.org/stable/book/dining-philosophers.html) and the [Concurrency Chapter](https://doc.rust-lang.org/stable/book/concurrency.html) from the book.
 
-- ["threads1.rs"](http://play.rust-lang.org/?code=%2F%2F+Make+this+compile%21+Scroll+down+for+hints+%3A%29+The+idea+is+the+thread%0A%2F%2F+spawned+on+line+17+is+completing+jobs+while+the+main+thread+is%0A%2F%2F+monitoring+progress+until+10+jobs+are+completed.+If+you+see+6+lines%0A%2F%2F+of+%22waiting...%22+and+the+program+ends+without+timing+out+the+playground%2C%0A%2F%2F+you%27ve+got+it+%3A%29%0A%0Ause+std%3A%3Async%3A%3AArc%3B%0Ause+std%3A%3Athread%3B%0A%0Astruct+JobStatus+%7B%0A++++jobs_completed%3A+u32%2C%0A%7D%0A%0Afn+main%28%29+%7B%0A++++let+status+%3D+Arc%3A%3Anew%28JobStatus+%7B+jobs_completed%3A+0+%7D%29%3B%0A++++let+status_shared+%3D+status.clone%28%29%3B%0A++++thread%3A%3Aspawn%28move+%7C%7C+%7B%0A++++++++for+_+in+0..10+%7B%0A++++++++++++thread%3A%3Asleep_ms%28250%29%3B%0A++++++++++++status_shared.jobs_completed+%2B%3D+1%3B%0A++++++++%7D%0A++++%7D%29%3B%0A++++while+status.jobs_completed+%3C+10+%7B%0A++++++++println%21%28%22waiting...+%22%29%3B%0A++++++++thread%3A%3Asleep_ms%28500%29%3B%0A++++%7D%0A%7D%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%2F%2F+%60Arc%60+is+an+Atomic+Reference+Counted+pointer+that+allows+safe%2C+shared+access%0A%2F%2F+to+**immutable**+data.+But+we+want+to+*change*+the+number+of+%60jobs_completed%60%0A%2F%2F+so+we%27ll+need+to+also+use+another+type+that+will+only+allow+one+thread+to%0A%2F%2F+mutate+the+data+at+a+time.+Take+a+look+at+this+section+of+the+book%3A%0A%2F%2F+https%3A%2F%2Fdoc.rust-lang.org%2Fstable%2Fbook%2Fconcurrency.html%23safe-shared-mutable-state%0A%2F%2F+and+keep+scrolling+if+you%27d+like+more+hints+%3A%29%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%2F%2F+Do+you+now+have+an+%60Arc%60+%60Mutex%60+%60JobStatus%60+at+the+beginning+of+main%3F+Like%3A%0A%2F%2F+%60let+status+%3D+Arc%3A%3Anew%28Mutex%3A%3Anew%28JobStatus+%7B+jobs_completed%3A+0+%7D%29%29%3B%60%0A%2F%2F+Similar+to+the+code+in+the+example+in+the+book+that+happens+after+the+text%0A%2F%2F+that+says+%22We+can+use+Arc%3CT%3E+to+fix+this.%22.+If+not%2C+give+that+a+try%21+If+you%0A%2F%2F+do+and+would+like+more+hints%2C+keep+scrolling%21%21%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%2F%2F+Make+sure+neither+of+your+threads+are+holding+onto+the+lock+of+the+mutex%0A%2F%2F+while+they+are+sleeping%2C+since+this+will+prevent+the+other+thread+from%0A%2F%2F+being+allowed+to+get+the+lock.+Locks+are+automatically+released+when%0A%2F%2F+they+go+out+of+scope.%0A%0A%2F%2F+Ok%2C+so%2C+real+talk%2C+this+was+actually+tricky+for+*me*+to+do+too.+And%0A%2F%2F+I+could+see+a+lot+of+different+problems+you+might+run+into%2C+so+at+this%0A%2F%2F+point+I%27m+not+sure+which+one+you%27ve+hit+%3A%29+Please+see+a+few+possible%0A%2F%2F+answers+on+https%3A%2F%2Fgithub.com%2Fcarols10cents%2Frustlings%2Fissues%2F3+--%0A%2F%2F+mine+is+a+little+more+complicated+because+I+decided+I+wanted+to+see%0A%2F%2F+the+number+of+jobs+currently+done+when+I+was+checking+the+status.%0A%0A%2F%2F+Please+open+an+issue+if+you%27re+still+running+into+a+problem+that%0A%2F%2F+these+hints+are+not+helping+you+with%2C+or+if+you%27ve+looked+at+the+sample%0A%2F%2F+answers+and+don%27t+understand+why+they+work+and+yours+doesn%27t.%0A%0A%2F%2F+If+you%27ve+learned+from+the+sample+solutions%2C+I+encourage+you+to+come%0A%2F%2F+back+to+this+exercise+and+try+it+again+in+a+few+days+to+reinforce%0A%2F%2F+what+you%27ve+learned+%3A%29%0A)
+- ["threads1.rs"](<https://play.rust-lang.org/?code=%2F%2F%20Make%20this%20compile!%20Scroll%20down%20for%20hints%20%3A\)%20The%20idea%20is%20the%20thread%0A%2F%2F%20spawned%20on%20line%2017%20is%20completing%20jobs%20while%20the%20main%20thread%20is%0A%2F%2F%20monitoring%20progress%20until%2010%20jobs%20are%20completed.%20If%20you%20see%206%20lines%0A%2F%2F%20of%20%22waiting...%22%20and%20the%20program%20ends%20without%20timing%20out%20the%20playground%2C%0A%2F%2F%20you%27ve%20got%20it%20%3A\)%0A%0Ause%20std%3A%3Async%3A%3AArc%3B%0Ause%20std%3A%3Athread%3B%0Ause%20std%3A%3Atime%3A%3ADuration%3B%0A%0Astruct%20JobStatus%20%7B%0A%20%20%20%20jobs_completed%3A%20u32%2C%0A%7D%0A%0Afn%20main\(\)%20%7B%0A%20%20%20%20let%20status%20%3D%20Arc%3A%3Anew\(JobStatus%20%7B%20jobs_completed%3A%200%20%7D\)%3B%0A%20%20%20%20let%20status_shared%20%3D%20status.clone\(\)%3B%0A%20%20%20%20thread%3A%3Aspawn\(move%20%7C%7C%20%7B%0A%20%20%20%20%20%20%20%20for%20_%20in%200..10%20%7B%0A%20%20%20%20%20%20%20%20%20%20%20%20thread%3A%3Asleep\(Duration%3A%3Afrom_millis\(250\)\)%3B%0A%20%20%20%20%20%20%20%20%20%20%20%20status_shared.jobs_completed%20%2B%3D%201%3B%0A%20%20%20%20%20%20%20%20%7D%0A%20%20%20%20%7D\)%3B%0A%20%20%20%20while%20status.jobs_completed%20%3C%2010%20%7B%0A%20%20%20%20%20%20%20%20println!\(%22waiting...%20%22\)%3B%0A%20%20%20%20%20%20%20%20thread%3A%3Asleep\(Duration%3A%3Afrom_millis\(500\)\)%3B%0A%20%20%20%20%7D%0A%7D%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%2F%2F%20%60Arc%60%20is%20an%20Atomic%20Reference%20Counted%20pointer%20that%20allows%20safe%2C%20shared%20access%0A%2F%2F%20to%20**immutable**%20data.%20But%20we%20want%20to%20*change*%20the%20number%20of%20%60jobs_completed%60%0A%2F%2F%20so%20we%27ll%20need%20to%20also%20use%20another%20type%20that%20will%20only%20allow%20one%20thread%20to%0A%2F%2F%20mutate%20the%20data%20at%20a%20time.%20Take%20a%20look%20at%20this%20section%20of%20the%20book%3A%0A%2F%2F%20https%3A%2F%2Fdoc.rust-lang.org%2Fstable%2Fbook%2Fconcurrency.html%23safe-shared-mutable-state%0A%2F%2F%20and%20keep%20scrolling%20if%20you%27d%20like%20more%20hints%20%3A\)%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%2F%2F%20Do%20you%20now%20have%20an%20%60Arc%60%20%60Mutex%60%20%60JobStatus%60%20at%20the%20beginning%20of%20main%3F%20Like%3A%0A%2F%2F%20%60let%20status%20%3D%20Arc%3A%3Anew\(Mutex%3A%3Anew\(JobStatus%20%7B%20jobs_completed%3A%200%20%7D\)\)%3B%60%0A%2F%2F%20Similar%20to%20the%20code%20in%20the%20example%20in%20the%20book%20that%20happens%20after%20the%20text%0A%2F%2F%20that%20says%20%22We%20can%20use%20Arc%3CT%3E%20to%20fix%20this.%22.%20If%20not%2C%20give%20that%20a%20try!%20If%20you%0A%2F%2F%20do%20and%20would%20like%20more%20hints%2C%20keep%20scrolling!!%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%0A%2F%2F%20Make%20sure%20neither%20of%20your%20threads%20are%20holding%20onto%20the%20lock%20of%20the%20mutex%0A%2F%2F%20while%20they%20are%20sleeping%2C%20since%20this%20will%20prevent%20the%20other%20thread%20from%0A%2F%2F%20being%20allowed%20to%20get%20the%20lock.%20Locks%20are%20automatically%20released%20when%0A%2F%2F%20they%20go%20out%20of%20scope.%0A%0A%2F%2F%20Ok%2C%20so%2C%20real%20talk%2C%20this%20was%20actually%20tricky%20for%20*me*%20to%20do%20too.%20And%0A%2F%2F%20I%20could%20see%20a%20lot%20of%20different%20problems%20you%20might%20run%20into%2C%20so%20at%20this%0A%2F%2F%20point%20I%27m%20not%20sure%20which%20one%20you%27ve%20hit%20%3A\)%20Please%20see%20a%20few%20possible%0A%2F%2F%20answers%20on%20https%3A%2F%2Fgithub.com%2Fcarols10cents%2Frustlings%2Fissues%2F3%20--%0A%2F%2F%20mine%20is%20a%20little%20more%20complicated%20because%20I%20decided%20I%20wanted%20to%20see%0A%2F%2F%20the%20number%20of%20jobs%20currently%20done%20when%20I%20was%20checking%20the%20status.%0A%0A%2F%2F%20Please%20open%20an%20issue%20if%20you%27re%20still%20running%20into%20a%20problem%20that%0A%2F%2F%20these%20hints%20are%20not%20helping%20you%20with%2C%20or%20if%20you%27ve%20looked%20at%20the%20sample%0A%2F%2F%20answers%20and%20don%27t%20understand%20why%20they%20work%20and%20yours%20doesn%27t.%0A%0A%2F%2F%20If%20you%27ve%20learned%20from%20the%20sample%20solutions%2C%20I%20encourage%20you%20to%20come%0A%2F%2F%20back%20to%20this%20exercise%20and%20try%20it%20again%20in%20a%20few%20days%20to%20reinforce%0A%2F%2F%20what%20you%27ve%20learned%20%3A\)%0A&version=stable>)
 
 ### Uncategorized
 
diff --git a/threads/threads1.rs b/threads/threads1.rs
index c19151e4..af975521 100644
--- a/threads/threads1.rs
+++ b/threads/threads1.rs
@@ -6,6 +6,7 @@
 
 use std::sync::Arc;
 use std::thread;
+use std::time::Duration;
 
 struct JobStatus {
     jobs_completed: u32,
@@ -16,13 +17,13 @@ fn main() {
     let status_shared = status.clone();
     thread::spawn(move || {
         for _ in 0..10 {
-            thread::sleep_ms(250);
+            thread::sleep(Duration::from_millis(250));
             status_shared.jobs_completed += 1;
         }
     });
     while status.jobs_completed < 10 {
         println!("waiting... ");
-        thread::sleep_ms(500);
+        thread::sleep(Duration::from_millis(500));
     }
 }