diff options
Diffstat (limited to 'compiler/rustc_serialize/src/serialize.rs')
| -rw-r--r-- | compiler/rustc_serialize/src/serialize.rs | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/compiler/rustc_serialize/src/serialize.rs b/compiler/rustc_serialize/src/serialize.rs index 567fe0610..527abc237 100644 --- a/compiler/rustc_serialize/src/serialize.rs +++ b/compiler/rustc_serialize/src/serialize.rs @@ -22,6 +22,11 @@ use std::sync::Arc; /// be processed or ignored, whichever is appropriate. Then they should provide /// a `finish` method that finishes up encoding. If the encoder is fallible, /// `finish` should return a `Result` that indicates success or failure. +/// +/// This current does not support `f32` nor `f64`, as they're not needed in any +/// serialized data structures. That could be changed, but consider whether it +/// really makes sense to store floating-point values at all. +/// (If you need it, revert <https://github.com/rust-lang/rust/pull/109984>.) pub trait Encoder { // Primitive types: fn emit_usize(&mut self, v: usize); @@ -37,8 +42,6 @@ pub trait Encoder { fn emit_i16(&mut self, v: i16); fn emit_i8(&mut self, v: i8); fn emit_bool(&mut self, v: bool); - fn emit_f64(&mut self, v: f64); - fn emit_f32(&mut self, v: f32); fn emit_char(&mut self, v: char); fn emit_str(&mut self, v: &str); fn emit_raw_bytes(&mut self, s: &[u8]); @@ -58,6 +61,11 @@ pub trait Encoder { // top-level invocation would also just panic on failure. Switching to // infallibility made things faster and lots of code a little simpler and more // concise. +/// +/// This current does not support `f32` nor `f64`, as they're not needed in any +/// serialized data structures. That could be changed, but consider whether it +/// really makes sense to store floating-point values at all. +/// (If you need it, revert <https://github.com/rust-lang/rust/pull/109984>.) pub trait Decoder { // Primitive types: fn read_usize(&mut self) -> usize; @@ -73,8 +81,6 @@ pub trait Decoder { fn read_i16(&mut self) -> i16; fn read_i8(&mut self) -> i8; fn read_bool(&mut self) -> bool; - fn read_f64(&mut self) -> f64; - fn read_f32(&mut self) -> f32; fn read_char(&mut self) -> char; fn read_str(&mut self) -> &str; fn read_raw_bytes(&mut self, len: usize) -> &[u8]; @@ -143,8 +149,6 @@ direct_serialize_impls! { i64 emit_i64 read_i64, i128 emit_i128 read_i128, - f32 emit_f32 read_f32, - f64 emit_f64 read_f64, bool emit_bool read_bool, char emit_char read_char } |