Function nstd_sys::string::nstd_string_pop

#[no_mangle]
pub extern "C" fn nstd_string_pop(
    string: &mut NSTDString<'_>
) -> NSTDOptionalUnichar

Available on crate feature string only.

Removes the last character from a string and returns it.

Parameters:

• NSTDString *string - The string to pop.

Returns

NSTDOptionalUnichar chr - The removed character on success.

Example

use nstd_sys::{
    alloc::NSTD_ALLOCATOR,
    core::{optional::NSTDOptional, str::nstd_core_str_from_raw_cstr_with_null},
    string::{nstd_string_from_str, nstd_string_pop},
};

unsafe {
    let str = nstd_core_str_from_raw_cstr_with_null("Hello, world!\0".as_ptr().cast()).unwrap();
    let mut string = nstd_string_from_str(&NSTD_ALLOCATOR, &str).unwrap();
    assert!(nstd_string_pop(&mut string) == NSTDOptional::Some('\0'.into()));
}