Method create

aiscript-vm/src/string/interned.rs:83–106

(mc: &Mutation<'gc>, s: &[u8])

        // buffer. This can be improved when gc-arena learns to allocate variable sizes.

        fn create<'gc, const N: usize>(mc: &Mutation<'gc>, s: &[u8]) -> InternedString<'gc> {
            #[derive(Collect)]
            #[collect(require_static)]
            #[repr(C)]
            struct InlineString<const N: usize> {
                header: StringInner,
                array: [u8; N],
            }

            assert!(s.len() <= N);
            let mut string = InlineString {
                header: StringInner {
                    hash: str_hash(s),
                    buffer: Buffer::Inline(s.len()),
                },
                array: [0; N],
            };
            string.array[0..s.len()].copy_from_slice(s);

            let string = Gc::new(mc, string);
            // SAFETY: We know we can cast to `StringInner` because `InlineString` is `#[repr(C)]`
            // and `header` is the first field.
            unsafe { InternedString(Gc::cast::<StringInner>(string)) }
        }

        let s = s.as_ref();