Compiler macros use @name(...) syntax.
| Macro |
Returns |
@as(T, expr) |
T, explicit cast |
@sizeof(T) |
usize, type size |
@alignof(T) |
usize, type alignment |
@typename(T) |
[]const char, type name |
@print(fmt, ...) |
void, stdout without newline |
@println(fmt, ...) |
void, stdout with newline |
@format(fmt, ...) |
String, heap string |
@panic(fmt, ...) |
never |
@unreachable() |
never |
@todo() |
never |
@dbg(expr) |
expr, prints [file:line] with the value (Debug only, silent in Release) |
@uninit() |
any, uninitialized value (reading it is UB) |
@enumTag(expr) |
u8, enum variant tag |
@void() |
void |
@variantNames(T) |
[N][]const char, variant names |
@variantCount(T) |
comptime_int, variant count |
| Macro |
Returns |
@zeen_type(T) |
zeen_type, comptime type value |
@zeen_expr(expr) |
zeen_expr, comptime expression value |
@zeen_decl(decl) |
zeen_decl, comptime declaration value |
@emit(decl) |
void, emit a comptime declaration |
@fresh_name(prefix) |
comptime_str, unique name |
@fields(T) |
comptime array of Field records |
@variants(T) |
comptime array of Variant records |
@typeInfo(T) |
comptime_str, struct or enum |
@hasField(T, name) |
bool |
@fieldType(T, name) |
field type |
