Added F32::EPSILON and F64::EPSILON to paths.rs

Author: 1c3t3a

clippy_lints/src/float_equality_without_abs.rs

@@ -1,4 +1,4 @@
-use crate::utils::{match_qpath, snippet, span_lint_and_sugg};
+use crate::utils::{match_qpath, paths, snippet, span_lint_and_sugg};
 use if_chain::if_chain;
 use rustc_errors::Applicability;
 use rustc_hir::{BinOpKind, Expr, ExprKind};
@@ -75,7 +75,7 @@ impl<'tcx> LateLintPass<'tcx> for FloatEqualityWithoutAbs {
 
             // right hand side matches either f32::EPSILON or f64::EPSILON
             if let ExprKind::Path(ref epsilon_path) = rhs.kind;
-            if match_qpath(epsilon_path, &["f32", "EPSILON"]) || match_qpath(epsilon_path, &["f64", "EPSILON"]);
+            if match_qpath(epsilon_path, &paths::F32_EPSILON) || match_qpath(epsilon_path, &paths::F64_EPSILON);
 
             // values of the substractions on the left hand side are of the type float
             let t_val_l = cx.typeck_results().expr_ty(val_l);

clippy_lints/src/utils/paths.rs

@@ -35,6 +35,8 @@ pub const DROP_TRAIT: [&str; 4] = ["core", "ops", "drop", "Drop"];
 pub const DURATION: [&str; 3] = ["core", "time", "Duration"];
 pub const EARLY_CONTEXT: [&str; 4] = ["rustc", "lint", "context", "EarlyContext"];
 pub const EXIT: [&str; 3] = ["std", "process", "exit"];
+pub const F32_EPSILON: [&str; 2] = ["f32", "EPSILON"];
+pub const F64_EPSILON: [&str; 2] = ["f64", "EPSILON"];
 pub const FILE: [&str; 3] = ["std", "fs", "File"];
 pub const FILE_TYPE: [&str; 3] = ["std", "fs", "FileType"];
 pub const FMT_ARGUMENTS_NEW_V1: [&str; 4] = ["core", "fmt", "Arguments", "new_v1"];