fn struct enum export const if else while for in break continue return defer or try match import link true false null self int float bool char str ptr map i8 i16 i32 i64 u8 u16 u32 u64 f32 f64 print input read_file write_file file_exists delete_file shell exit addr new free error min max abs clamp assert atomic_add atomic_sub atomic_load atomic_store atomic_swap atomic_cas select concat fma muladd cpu_has f32_bits f32_from_bits f64_bits f64_from_bits f16_to_f32 f32_to_f16 bf16_to_f32 f32_to_bf16