diff options
Diffstat (limited to 'std/fmt.zig')
| -rw-r--r-- | std/fmt.zig | 33 |
1 files changed, 20 insertions, 13 deletions
diff --git a/std/fmt.zig b/std/fmt.zig index d1b91b15f8..a42233cac2 100644 --- a/std/fmt.zig +++ b/std/fmt.zig @@ -2,6 +2,7 @@ const math = @import("math.zig"); const debug = @import("debug.zig"); const assert = debug.assert; const mem = @import("mem.zig"); +const builtin = @import("builtin"); const max_f64_digits = 65; const max_int_digits = 65; @@ -174,19 +175,25 @@ pub fn format(context: var, output: fn(@typeOf(context), []const u8)->bool, pub fn formatValue(value: var, context: var, output: fn(@typeOf(context), []const u8)->bool) -> bool { const T = @typeOf(value); - if (@isInteger(T)) { - return formatInt(value, 10, false, 0, context, output); - } else if (@isFloat(T)) { - @compileError("TODO implement formatFloat"); - } else if (@canImplicitCast([]const u8, value)) { - const casted_value = ([]const u8)(value); - return output(context, casted_value); - } else if (T == void) { - return output(context, "void"); - } else if (T == bool) { - return output(context, if (value) "true" else "false"); - } else { - @compileError("Unable to format type '" ++ @typeName(T) ++ "'"); + switch (@typeId(T)) { + builtin.TypeId.Int => { + return formatInt(value, 10, false, 0, context, output); + }, + builtin.TypeId.Float => { + @compileError("TODO implement formatFloat"); + }, + builtin.TypeId.Void => { + return output(context, "void"); + }, + builtin.TypeId.Bool => { + return output(context, if (value) "true" else "false"); + }, + else => if (@canImplicitCast([]const u8, value)) { + const casted_value = ([]const u8)(value); + return output(context, casted_value); + } else { + @compileError("Unable to format type '" ++ @typeName(T) ++ "'"); + }, } } |