Function SPECIAL_CONST_P

pub fn SPECIAL_CONST_P<T: Into<VALUE>>(obj: T) -> bool

Checks if the given object is of enum ::ruby_special_consts.

@param[in] obj An arbitrary ruby object. @retval true obj is a special constant. @retval false Anything else.

Example

use rb_sys::special_consts::*;

assert!(SPECIAL_CONST_P(Qnil));
assert!(SPECIAL_CONST_P(Qtrue));
assert!(SPECIAL_CONST_P(Qfalse));