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std/fmt/index.zig: #1358 allow bytes to be printed-out as hex;

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Supports {x} for lowercase and {X} for uppercase;
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kristopher tate 2018-09-01 19:40:05 +09:00
parent e036f65ac0
commit 454b2362ee
1 changed files with 5 additions and 0 deletions
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std/fmt/index.zig
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@ -350,6 +350,11 @@ pub fn formatText(
comptime var width = 0;
if (fmt.len > 1) width = comptime (parseUnsigned(usize, fmt[1..], 10) catch unreachable);
return formatBuf(bytes, width, context, Errors, output);
} else if ((fmt[0] == 'x') or (fmt[0] == 'X') ) {
for (bytes) |c| {
try formatInt(c, 16, fmt[0] == 'X', 0, context, Errors, output);
}
return;
} else @compileError("Unknown format character: " ++ []u8{fmt[0]});
}
return output(context, bytes);