Fix unused imports

    warning: unused imports: `i8 as c_schar`, `u16 as c_ushort`
      --> src/lib.rs:50:52
       |
    50 |         i32 as c_int, i64 as c_long, i8 as c_char, i8 as c_schar, u16 as c_ushort, u32 as c_uint,
       |                                                    ^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^
       |
       = note: `#[warn(unused_imports)]` on by default

    warning: unused imports: `yaml_break_t::*`, `yaml_emitter_state_t::*`, `yaml_error_type_t::*`, `yaml_mapping_style_t::*`, `yaml_parser_state_t::*`, `yaml_scalar_style_t::*`, `yaml_sequence_style_t::*`, `yaml_token_type_t::*`
     --> src/yaml.rs:6:5
      |
    6 |     yaml_break_t::*, yaml_emitter_state_t::*, yaml_encoding_t::*, yaml_error_type_t::*,
      |     ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^                      ^^^^^^^^^^^^^^^^^^^^
    7 |     yaml_event_type_t::*, yaml_mapping_style_t::*, yaml_node_type_t::*, yaml_parser_state_t::*,
      |                           ^^^^^^^^^^^^^^^^^^^^^^^                       ^^^^^^^^^^^^^^^^^^^^^^
    8 |     yaml_scalar_style_t::*, yaml_sequence_style_t::*, yaml_token_type_t::*,
      |     ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^

src/lib.rs

@@ -47,8 +47,7 @@ use core::mem::size_of;
 mod libc {
     pub use core::ffi::c_void;
     pub use core::primitive::{
-        i32 as c_int, i64 as c_long, i8 as c_char, i8 as c_schar, u16 as c_ushort, u32 as c_uint,
-        u64 as c_ulong, u8 as c_uchar,
+        i32 as c_int, i64 as c_long, i8 as c_char, u32 as c_uint, u64 as c_ulong, u8 as c_uchar,
     };
 }
 

src/yaml.rs

@@ -2,11 +2,7 @@ use crate::libc;
 use core::ops::Deref;
 use core::ptr::{self, addr_of};
 
-pub use self::{
-    yaml_break_t::*, yaml_emitter_state_t::*, yaml_encoding_t::*, yaml_error_type_t::*,
-    yaml_event_type_t::*, yaml_mapping_style_t::*, yaml_node_type_t::*, yaml_parser_state_t::*,
-    yaml_scalar_style_t::*, yaml_sequence_style_t::*, yaml_token_type_t::*,
-};
+pub use self::{yaml_encoding_t::*, yaml_event_type_t::*, yaml_node_type_t::*};
 pub use core::primitive::{i64 as ptrdiff_t, u64 as size_t, u8 as yaml_char_t};
 
 /// The version directive data.