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Added string specifier in format strings (#3)

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This is now required in current versions of Zig.
This commit is contained in:
Dave Gauer 2021-02-10 22:13:22 -05:00
parent 56ba5d7fda
commit 2bdacd35c1
3 changed files with 8 additions and 7 deletions
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11
exercises/06_strings.zig
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@ -35,11 +35,12 @@ pub fn main() void {
// That's all the problems. Let's see our results:
std.debug.print("d={u} {s}{s}\n",.{d, laugh, major_tom});
//
// Keen eyes will notice that we've put a 'u' inside the '{}'
// placeholder in the format string above. This tells the
// print() function to format the values as a UTF-8 character.
// If we didn't do this, we'd see '100', which is the decimal
// number corresponding with the 'd' character in UTF-8.
// Keen eyes will notice that we've put 'u' and 's' inside the '{}'
// placeholders in the format string above. This tells the
// print() function to format the values as a UTF-8 character and
// UTF-8 strings respectively. If we didn't do this, we'd see '100',
// which is the decimal number corresponding with the 'd' character
// in UTF-8. (And an error in the case of the strings.)
//
// While we're on this subject, 'c' (ASCII encoded character)
// would work in place for 'u' because the first 128 characters

2
exercises/07_strings2.zig
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@ -20,5 +20,5 @@ pub fn main() void {
And the Spiders from Mars
;
std.debug.print("{}\n",.{lyrics});
std.debug.print("{s}\n",.{lyrics});
}

2
exercises/08_quiz.zig
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@ -30,5 +30,5 @@ pub fn main() void {
lang[2] = letters[???];
// We want to "Program in Zig!" of course:
std.debug.print("Program in {}!\n", .{lang});
std.debug.print("Program in {s}!\n", .{lang});
}