facet_core/impls/core/
char_str.rs

1use crate::Facet;
2use crate::{
3    Def, OxPtrMut, PrimitiveType, PtrConst, Shape, ShapeBuilder, TextualType, Type, TypeOpsDirect,
4    TypeOpsIndirect, VTableIndirect, type_ops_direct, vtable_direct, vtable_indirect,
5};
6
7// TypeOps lifted out - shared static (char has Default but not Clone as Copy type)
8static CHAR_TYPE_OPS: TypeOpsDirect = type_ops_direct!(char => Default);
9
10unsafe impl Facet<'_> for char {
11    const SHAPE: &'static Shape = &const {
12        const VTABLE: crate::VTableDirect = vtable_direct!(char =>
13            FromStr,
14            Display,
15            Debug,
16            Hash,
17            PartialEq,
18            PartialOrd,
19            Ord,
20        );
21
22        ShapeBuilder::for_sized::<char>("char")
23            .ty(Type::Primitive(PrimitiveType::Textual(TextualType::Char)))
24            .def(Def::Scalar)
25            .vtable_direct(&VTABLE)
26            .type_ops_direct(&CHAR_TYPE_OPS)
27            .eq()
28            .copy()
29            .send()
30            .sync()
31            .build()
32    };
33}
34
35#[inline(always)]
36unsafe fn str_truthy(value: PtrConst) -> bool {
37    !unsafe { value.get::<str>() }.is_empty()
38}
39
40unsafe fn str_drop(_: OxPtrMut) {}
41
42static STR_TYPE_OPS: TypeOpsIndirect = TypeOpsIndirect {
43    drop_in_place: str_drop,
44    default_in_place: None,
45    clone_into: None,
46    is_truthy: Some(str_truthy),
47};
48
49unsafe impl Facet<'_> for str {
50    const SHAPE: &'static Shape = &const {
51        const VTABLE: VTableIndirect = vtable_indirect!(str =>
52            Display,
53            Debug,
54            Hash,
55            PartialEq,
56            PartialOrd,
57            Ord,
58        );
59
60        ShapeBuilder::for_unsized::<str>("str")
61            .ty(Type::Primitive(PrimitiveType::Textual(TextualType::Str)))
62            .def(Def::Scalar)
63            .vtable_indirect(&VTABLE)
64            .type_ops_indirect(&STR_TYPE_OPS)
65            .eq()
66            .send()
67            .sync()
68            .build()
69    };
70}
facet_core/impls/core/char_str.rs

facet_core/impls/core/
char_str.rs
