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Catch mutually exclusive features.

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This commit is contained in:
Stephen Chung 2021-09-12 21:06:13 +08:00
parent 50ad42bd7f
commit bdbfa8ef5f
2 changed files with 15 additions and 7 deletions
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2
Cargo.toml
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@ -49,7 +49,7 @@ wasm-bindgen = ["instant/wasm-bindgen"]
stdweb = ["instant/stdweb"]
# internal feature flags - volatile
no_smartstring = [] # Do not use SmartString
no_smartstring = [] # do not use SmartString
[profile.release]
lto = "fat"

20
src/lib.rs
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@ -325,24 +325,32 @@ pub(crate) type SmartString = String;
#[cfg(feature = "no_float")]
#[cfg(feature = "f32_float")]
compile_error!("'f32_float' cannot be used with 'no_float'");
compile_error!("`f32_float` cannot be used with `no_float`");
#[cfg(feature = "only_i32")]
#[cfg(feature = "only_i64")]
compile_error!("`only_i32` and `only_i64` cannot be used together");
#[cfg(feature = "no_std")]
#[cfg(feature = "wasm-bindgen")]
compile_error!("'wasm-bindgen' cannot be used with 'no-std'");
compile_error!("`wasm-bindgen` cannot be used with `no-std`");
#[cfg(feature = "no_std")]
#[cfg(feature = "stdweb")]
compile_error!("'stdweb' cannot be used with 'no-std'");
compile_error!("`stdweb` cannot be used with `no-std`");
#[cfg(any(target_arch = "wasm32", target_arch = "wasm64"))]
#[cfg(feature = "no_std")]
compile_error!("'no_std' cannot be used for WASM target");
compile_error!("`no_std` cannot be used for WASM target");
#[cfg(not(any(target_arch = "wasm32", target_arch = "wasm64")))]
#[cfg(feature = "wasm-bindgen")]
compile_error!("'wasm-bindgen' should not be used non-WASM target");
compile_error!("`wasm-bindgen` cannot be used for non-WASM target");
#[cfg(not(any(target_arch = "wasm32", target_arch = "wasm64")))]
#[cfg(feature = "stdweb")]
compile_error!("'stdweb' should not be used non-WASM target");
compile_error!("`stdweb` cannot be used non-WASM target");
#[cfg(feature = "wasm-bindgen")]
#[cfg(feature = "stdweb")]
compile_error!("`wasm-bindgen` and `stdweb` cannot be used together");