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Update fmt.odin

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Update example to use set/register procs.
This commit is contained in:
jon lipstate
2023-03-26 11:23:37 -07:00
committed by GitHub
parent 0892d84c17
commit 34b037f19b
1 changed files with 11 additions and 9 deletions
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core/fmt/fmt.odin
+11 -9
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@@ -53,23 +53,20 @@ User_Formatter :: #type proc(fi: ^Info, arg: any, verb: rune) -> bool
// m := cast(^SomeType)arg.data // m := cast(^SomeType)arg.data
// switch verb { // switch verb {
// case 'v', 'd': // case 'v', 'd':
// fmt.fmt_int(fi, u64(m.value), true, 32, verb) // fmt.fmt_int(fi, u64(m.value), true, 64, verb)
// case: // case:
// return false // return false
// } // }
// return true // return true
// } // }
// //
// main :: proc() { // main :: proc() {
// // Ensure the fmt._user_formatters map is initialized // // Ensure the fmt._user_formatters map is initialized
// if fmt._user_formatters == nil { // fmt.set_user_formatters(new(map[typeid]fmt.User_Formatter))
// fmt._user_formatters = new(map[typeid]fmt.User_Formatter) // err := fmt.register_user_formatter(type_info_of(SomeType).id, User_Formatter)
// } // assert(err == .None)
// // Register the custom formatter directly to the _user_formatters map
// fmt._user_formatters[type_info_of(SomeType).id] = User_Formatter
// // Use the custom formatter // // Use the custom formatter
// x := SomeType{42} // x := SomeType{42}
// fmt.println("My custom type value: ", x) // fmt.println("Custom type value: ", x)
// } // }
Register_User_Formatter_Error :: enum { Register_User_Formatter_Error :: enum {
@@ -90,7 +87,12 @@ _user_formatters: ^map[typeid]User_Formatter
// NOTE: Must be called before using register_user_formatter. // NOTE: Must be called before using register_user_formatter.
// //
set_user_formatters :: proc(m: ^map[typeid]User_Formatter) { set_user_formatters :: proc(m: ^map[typeid]User_Formatter) {
_user_formatters = m if _user_formatters==nil {
_user_formatters = m
}
else {
panic("set_user_formatters must not be called more than once.")
}
} }
// Registers a user-defined formatter for a specific typeid // Registers a user-defined formatter for a specific typeid
// //