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std.fmt knows how to format &[N]u8

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This commit is contained in:
Andrew Kelley 2017-09-09 19:42:31 -04:00
parent 120e2fdf8b
commit 5fdf3fa195
1 changed files with 7 additions and 0 deletions
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7
std/fmt/index.zig
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@ -207,6 +207,13 @@ pub fn formatValue(value: var, context: var, output: fn(@typeOf(context), []cons
return false;
return output(context, @errorName(value));
},
builtin.TypeId.Pointer => {
if (@typeId(T.child) == builtin.TypeId.Array and T.child.child == u8) {
return output(context, (*value)[0..]);
} else {
@compileError("Unable to format type '" ++ @typeName(T) ++ "'");
}
},
else => if (@canImplicitCast([]const u8, value)) {
const casted_value = ([]const u8)(value);
return output(context, casted_value);