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std.fmt.format supports ints smaller than u8

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closes #546

thanks to @Dimenus for the fix
This commit is contained in:
Andrew Kelley 2017-10-21 13:03:08 -04:00
parent b3d12d2c9e
commit 9b91c76088
1 changed files with 7 additions and 1 deletions
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8
std/fmt/index.zig
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@ -312,7 +312,7 @@ fn formatIntUnsigned(value: var, base: u8, uppercase: bool, width: usize,
// max_int_digits accounts for the minus sign. when printing an unsigned // max_int_digits accounts for the minus sign. when printing an unsigned
// number we don't need to do that. // number we don't need to do that.
var buf: [max_int_digits - 1]u8 = undefined; var buf: [max_int_digits - 1]u8 = undefined;
var a = value; var a = if (@sizeOf(@typeOf(value)) == 1) u8(value) else value;
var index: usize = buf.len; var index: usize = buf.len;
while (true) { while (true) {
@ -508,6 +508,12 @@ test "fmt.format" {
const result = bufPrint(buf1[0..], "error union: {}\n", value); const result = bufPrint(buf1[0..], "error union: {}\n", value);
assert(mem.eql(u8, result, "error union: error.InvalidChar\n")); assert(mem.eql(u8, result, "error union: error.InvalidChar\n"));
} }
{
var buf1: [32]u8 = undefined;
const value: u3 = 0b101;
const result = bufPrint(buf1[0..], "u3: {}\n", value);
assert(mem.eql(u8, result, "u3: 5\n"));
}
} }
pub fn trim(buf: []const u8) -> []const u8 { pub fn trim(buf: []const u8) -> []const u8 {