minor: it's Parameter, not Argument

Author: matklad

crates/hir_ty/src/diagnostics.rs

@@ -349,11 +349,11 @@ impl fmt::Display for CaseType {
 
 #[derive(Debug)]
 pub enum IdentType {
-    Argument,
     Constant,
     Enum,
     Field,
     Function,
+    Parameter,
     StaticVariable,
     Structure,
     Variable,
@@ -363,11 +363,11 @@ pub enum IdentType {
 impl fmt::Display for IdentType {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let repr = match self {
-            IdentType::Argument => "Argument",
             IdentType::Constant => "Constant",
             IdentType::Enum => "Enum",
             IdentType::Field => "Field",
             IdentType::Function => "Function",
+            IdentType::Parameter => "Parameter",
             IdentType::StaticVariable => "Static variable",
             IdentType::Structure => "Structure",
             IdentType::Variable => "Variable",

crates/hir_ty/src/diagnostics/decl_check.rs

@@ -256,7 +256,7 @@ impl<'a, 'b> DeclValidator<'a, 'b> {
                         }
 
                         let ident_type =
-                            if is_param { IdentType::Argument } else { IdentType::Variable };
+                            if is_param { IdentType::Parameter } else { IdentType::Variable };
 
                         let diagnostic = IncorrectCase {
                             file: source_ptr.file_id,
@@ -643,10 +643,10 @@ fn NonSnakeCaseName() {}
         check_diagnostics(
             r#"
 fn foo(SomeParam: u8) {}
-    // ^^^^^^^^^ Argument `SomeParam` should have snake_case name, e.g. `some_param`
+    // ^^^^^^^^^ Parameter `SomeParam` should have snake_case name, e.g. `some_param`
 
 fn foo2(ok_param: &str, CAPS_PARAM: u8) {}
-                     // ^^^^^^^^^^ Argument `CAPS_PARAM` should have snake_case name, e.g. `caps_param`
+                     // ^^^^^^^^^^ Parameter `CAPS_PARAM` should have snake_case name, e.g. `caps_param`
 "#,
         );
     }