Upgrade heck dependency

graphql_client_codegen/Cargo.toml

@@ -10,7 +10,7 @@ edition = "2018"
 [dependencies]
 graphql-introspection-query = { version = "0.2.0", path = "../graphql-introspection-query" }
 graphql-parser = "^0.2"
-heck = "0.3"
+heck = "0.4.0"
 lazy_static = "1.3"
 proc-macro2 = { version = "^1.0", features = [] }
 quote = "^1.0"

graphql_client_codegen/src/codegen.rs

@@ -9,7 +9,7 @@ use crate::{
     type_qualifiers::GraphqlTypeQualifier,
     GeneralError, GraphQLClientCodegenOptions,
 };
-use heck::SnakeCase;
+use heck::ToSnakeCase;
 use proc_macro2::{Ident, Span, TokenStream};
 use quote::quote;
 use selection::*;

graphql_client_codegen/src/codegen/inputs.rs

@@ -4,7 +4,7 @@ use crate::{
     query::{BoundQuery, UsedTypes},
     schema::input_is_recursive_without_indirection,
 };
-use heck::SnakeCase;
+use heck::ToSnakeCase;
 use proc_macro2::{Ident, Span, TokenStream};
 use quote::quote;
 

graphql_client_codegen/src/normalization.rs

@@ -1,4 +1,4 @@
-use heck::CamelCase;
+use heck::ToUpperCamelCase;
 use std::borrow::Cow;
 
 /// Normalization conventions available for generated code.
@@ -14,7 +14,7 @@ impl Normalization {
     fn camel_case(self, name: &str) -> Cow<'_, str> {
         match self {
             Self::None => name.into(),
-            Self::Rust => name.to_camel_case().into(),
+            Self::Rust => name.to_upper_camel_case().into(),
         }
     }
 

graphql_client_codegen/src/query/fragments.rs

@@ -11,7 +11,7 @@ pub(crate) struct ResolvedFragment {
 
 impl ResolvedFragment {
     pub(super) fn to_path_segment(&self) -> String {
-        self.name.to_camel_case()
+        self.name.to_upper_camel_case()
     }
 }
 

graphql_client_codegen/src/query/operations.rs

@@ -18,6 +18,6 @@ pub(crate) struct ResolvedOperation {
 
 impl ResolvedOperation {
     pub(crate) fn to_path_segment(&self) -> String {
-        self.name.to_camel_case()
+        self.name.to_upper_camel_case()
     }
 }

graphql_client_codegen/src/query/selection.rs

@@ -3,7 +3,7 @@ use super::{
     UsedTypes,
 };
 use crate::schema::{Schema, StoredField, StoredFieldId, TypeId};
-use heck::CamelCase;
+use heck::ToUpperCamelCase;
 
 /// This checks that the `on` clause on fragment spreads and inline fragments
 /// are valid in their context.
@@ -226,13 +226,13 @@ impl Selection {
             Selection::Field(field) => field
                 .alias
                 .as_ref()
-                .map(|alias| alias.to_camel_case())
+                .map(|alias| alias.to_upper_camel_case())
                 .unwrap_or_else(move || {
-                    query.schema.get_field(field.field_id).name.to_camel_case()
+                    query.schema.get_field(field.field_id).name.to_upper_camel_case()
                 }),
             Selection::InlineFragment(inline_fragment) => format!(
                 "On{}",
-                inline_fragment.type_id.name(query.schema).to_camel_case()
+                inline_fragment.type_id.name(query.schema).to_upper_camel_case()
             ),
             other => unreachable!("{:?} in to_path_segment", other),
         }