Change default max-variable-name-length to 100

Author: JurrianFahner

book/src/lint_configuration.md

@@ -737,7 +737,7 @@ The maximum number of bounds a trait can have to be linted
 ## `max-variable-name-length`
 The maximum length of a variable
 
-**Default Value:** `30`
+**Default Value:** `100`
 
 ---
 **Affected lints:**

clippy_config/src/conf.rs

@@ -677,7 +677,7 @@ define_Conf! {
     max_trait_bounds: u64 = 3,
     /// The maximum length of a variable
     #[lints(long_variable_names)]
-    max_variable_name_length: u64 = 30,
+    max_variable_name_length: u64 = 100,
     /// Minimum chars an ident can have, anything below or equal to this will be linted.
     #[lints(min_ident_chars)]
     min_ident_chars_threshold: u64 = 1,

tests/ui-toml/undocumented_unsafe_blocks/default/clippy.toml

@@ -1,4 +1,2 @@
 # default configuration has `accept-comment-above-statement` and
 # `accept-comment-above-attributes` true
-
-max-variable-name-length = 80

tests/ui-toml/undocumented_unsafe_blocks/disabled/clippy.toml

@@ -1,5 +1,3 @@
 # test with these options disabled
 accept-comment-above-statement = false
 accept-comment-above-attributes = false
-
-max-variable-name-length = 80