rust-clippy/tests/ui/default_numeric_fallback_f64.fixed

183 lines
4.8 KiB
Rust

//@aux-build:proc_macros.rs
#![warn(clippy::default_numeric_fallback)]
#![allow(
unused,
clippy::never_loop,
clippy::no_effect,
clippy::unnecessary_operation,
clippy::branches_sharing_code,
clippy::match_single_binding,
clippy::let_unit_value,
clippy::let_with_type_underscore
)]
extern crate proc_macros;
use proc_macros::{external, inline_macros};
mod basic_expr {
fn test() {
// Should lint unsuffixed literals typed `f64`.
let x = 0.12_f64;
let x = [1.0_f64, 2.0_f64, 3.0_f64];
let x = if true { (1.0_f64, 2.0_f64) } else { (3.0_f64, 4.0_f64) };
let x = match 1.0_f64 {
_ => 1.0_f64,
};
// Should NOT lint suffixed literals.
let x = 0.12_f64;
// Should NOT lint literals in init expr if `Local` has a type annotation.
let x: f64 = 0.1;
let x: [f64; 3] = [1., 2., 3.];
let x: (f64, f64) = if true { (1., 2.) } else { (3., 4.) };
let x: _ = 1.;
const X: f32 = 1.;
}
}
mod nested_local {
fn test() {
let x: _ = {
// Should lint this because this literal is not bound to any types.
let y = 1.0_f64;
// Should NOT lint this because this literal is bound to `_` of outer `Local`.
1.
};
let x: _ = if true {
// Should lint this because this literal is not bound to any types.
let y = 1.0_f64;
// Should NOT lint this because this literal is bound to `_` of outer `Local`.
1.
} else {
// Should lint this because this literal is not bound to any types.
let y = 1.0_f64;
// Should NOT lint this because this literal is bound to `_` of outer `Local`.
2.
};
const X: f32 = {
// Should lint this because this literal is not bound to any types.
let y = 1.0_f64;
// Should NOT lint this because this literal is bound to `_` of outer `Local`.
1.
};
}
}
mod function_def {
fn ret_f64() -> f64 {
// Even though the output type is specified,
// this unsuffixed literal is linted to reduce heuristics and keep codebase simple.
1.0_f64
}
fn test() {
// Should lint this because return type is inferred to `f64` and NOT bound to a concrete
// type.
let f = || -> _ { 1.0_f64 };
// Even though the output type is specified,
// this unsuffixed literal is linted to reduce heuristics and keep codebase simple.
let f = || -> f64 { 1.0_f64 };
}
}
mod function_calls {
fn concrete_arg(f: f64) {}
fn generic_arg<T>(t: T) {}
fn test() {
// Should NOT lint this because the argument type is bound to a concrete type.
concrete_arg(1.);
// Should lint this because the argument type is inferred to `f64` and NOT bound to a concrete type.
generic_arg(1.0_f64);
// Should lint this because the argument type is inferred to `f64` and NOT bound to a concrete type.
let x: _ = generic_arg(1.0_f64);
}
}
mod struct_ctor {
struct ConcreteStruct {
x: f64,
}
struct GenericStruct<T> {
x: T,
}
fn test() {
// Should NOT lint this because the field type is bound to a concrete type.
ConcreteStruct { x: 1. };
// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
GenericStruct { x: 1.0_f64 };
// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
let _ = GenericStruct { x: 1.0_f64 };
}
}
mod enum_ctor {
enum ConcreteEnum {
X(f64),
}
enum GenericEnum<T> {
X(T),
}
fn test() {
// Should NOT lint this because the field type is bound to a concrete type.
ConcreteEnum::X(1.);
// Should lint this because the field type is inferred to `f64` and NOT bound to a concrete type.
GenericEnum::X(1.0_f64);
}
}
mod method_calls {
struct StructForMethodCallTest;
impl StructForMethodCallTest {
fn concrete_arg(&self, f: f64) {}
fn generic_arg<T>(&self, t: T) {}
}
fn test() {
let s = StructForMethodCallTest {};
// Should NOT lint this because the argument type is bound to a concrete type.
s.concrete_arg(1.);
// Should lint this because the argument type is bound to a concrete type.
s.generic_arg(1.0_f64);
}
}
mod in_macro {
use super::*;
// Should lint in internal macro.
#[inline_macros]
fn internal() {
inline!(let x = 22.0_f64;);
}
// Should NOT lint in external macro.
fn external() {
external!(let x = 22.;);
}
}
fn main() {}