replace lit_snip type with &str

Author: TaKO8Ki

clippy_lints/src/misc_early/mixed_case_hex_literals.rs

@@ -4,7 +4,7 @@ use rustc_lint::EarlyContext;
 
 use super::MIXED_CASE_HEX_LITERALS;
 
-pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, suffix: &str, lit_snip: String) {
+pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, suffix: &str, lit_snip: &str) {
     let maybe_last_sep_idx = if let Some(val) = lit_snip.len().checked_sub(suffix.len() + 1) {
         val
     } else {

clippy_lints/src/misc_early/mod.rs

@@ -334,11 +334,11 @@ impl MiscEarlyLints {
             };
             unseparated_literal_suffix::check(cx, lit, &lit_snip, suffix, "integer");
             if lit_snip.starts_with("0x") {
-                mixed_case_hex_literals::check(cx, lit, suffix, lit_snip)
+                mixed_case_hex_literals::check(cx, lit, suffix, &lit_snip)
             } else if lit_snip.starts_with("0b") || lit_snip.starts_with("0o") {
                 /* nothing to do */
             } else if value != 0 && lit_snip.starts_with('0') {
-                zero_prefixed_literal::check(cx, lit, lit_snip)
+                zero_prefixed_literal::check(cx, lit, &lit_snip)
             }
         } else if let LitKind::Float(_, LitFloatType::Suffixed(float_ty)) = lit.kind {
             let suffix = float_ty.name_str();

clippy_lints/src/misc_early/unseparated_literal_suffix.rs

@@ -5,7 +5,7 @@ use rustc_lint::EarlyContext;
 
 use super::UNSEPARATED_LITERAL_SUFFIX;
 
-pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: &String, suffix: &str, sugg_type: &str) {
+pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: &str, suffix: &str, sugg_type: &str) {
     let maybe_last_sep_idx = if let Some(val) = lit_snip.len().checked_sub(suffix.len() + 1) {
         val
     } else {

clippy_lints/src/misc_early/zero_prefixed_literal.rs

@@ -5,7 +5,7 @@ use rustc_lint::EarlyContext;
 
 use super::ZERO_PREFIXED_LITERAL;
 
-pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: String) {
+pub(super) fn check(cx: &EarlyContext<'_>, lit: &Lit, lit_snip: &str) {
     span_lint_and_then(
         cx,
         ZERO_PREFIXED_LITERAL,