From a25e49f4dfa17688c159aa72ae9c4733517aeee8 Mon Sep 17 00:00:00 2001
From: AmrDeveloper <amr96@programmer.net>
Date: Tue, 4 Jun 2024 21:43:50 +0200
Subject: [PATCH] feat: Remove lazy_static crate

---
 Cargo.lock    |  7 -------
 Cargo.toml    |  1 -
 src/main.rs   | 13 +++++++------
 src/schema.rs | 16 +++++++++-------
 4 files changed, 16 insertions(+), 21 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index c7964ab..0380cc5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -109,7 +109,6 @@ dependencies = [
  "gitql-engine",
  "gitql-parser",
  "gitql-std",
- "lazy_static",
 ]
 
 [[package]]
@@ -311,12 +310,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
 [[package]]
 name = "libc"
 version = "0.2.153"
diff --git a/Cargo.toml b/Cargo.toml
index c46a19d..5346b68 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,5 @@ gitql-cli = "0.20.0"
 gitql-ast = "0.18.0"
 gitql-parser = "0.19.0"
 gitql-engine = "0.20.0"
-lazy_static = "1.4.0"
 atty = "0.2.14"
 clang-sys = "1.7.0"
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index bea2f0a..e393655 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -20,8 +20,8 @@ use gitql_std::aggregation::aggregation_function_signatures;
 use gitql_std::aggregation::aggregation_functions;
 use gitql_std::function::standard_function_signatures;
 use gitql_std::function::standard_functions;
-use schema::TABLES_FIELDS_NAMES;
-use schema::TABLES_FIELDS_TYPES;
+use schema::tables_fields_names;
+use schema::tables_fields_types;
 
 mod arguments;
 mod data_provider;
@@ -45,9 +45,10 @@ fn main() {
                 reporter.report_diagnostic("", Diagnostic::error(error.as_str()));
                 return;
             }
+
             let schema = Schema {
-                tables_fields_names: TABLES_FIELDS_NAMES.to_owned(),
-                tables_fields_types: TABLES_FIELDS_TYPES.to_owned(),
+                tables_fields_names: tables_fields_names().to_owned(),
+                tables_fields_types: tables_fields_types().to_owned(),
             };
 
             let std_signatures = standard_function_signatures();
@@ -83,8 +84,8 @@ fn launch_clangql_repl(arguments: Arguments) {
     }
 
     let schema = Schema {
-        tables_fields_names: TABLES_FIELDS_NAMES.to_owned(),
-        tables_fields_types: TABLES_FIELDS_TYPES.to_owned(),
+        tables_fields_names: tables_fields_names().to_owned(),
+        tables_fields_types: tables_fields_types().to_owned(),
     };
 
     let std_signatures = standard_function_signatures();
diff --git a/src/schema.rs b/src/schema.rs
index a38b735..bf07d90 100644
--- a/src/schema.rs
+++ b/src/schema.rs
@@ -1,9 +1,10 @@
 use gitql_core::types::DataType;
-use lazy_static::lazy_static;
 use std::collections::HashMap;
+use std::sync::OnceLock;
 
-lazy_static! {
-    pub static ref TABLES_FIELDS_TYPES: HashMap<&'static str, DataType> = {
+pub fn tables_fields_types() -> &'static HashMap<&'static str, DataType> {
+    static HASHMAP: OnceLock<HashMap<&'static str, DataType>> = OnceLock::new();
+    HASHMAP.get_or_init(|| {
         let mut map = HashMap::new();
         map.insert("name", DataType::Text);
         map.insert("type", DataType::Text);
@@ -40,11 +41,12 @@ lazy_static! {
         map.insert("column", DataType::Integer);
         map.insert("offset", DataType::Integer);
         map
-    };
+    })
 }
 
-lazy_static! {
-    pub static ref TABLES_FIELDS_NAMES: HashMap<&'static str, Vec<&'static str>> = {
+pub fn tables_fields_names() -> &'static HashMap<&'static str, Vec<&'static str>> {
+    static HASHMAP: OnceLock<HashMap<&'static str, Vec<&'static str>>> = OnceLock::new();
+    HASHMAP.get_or_init(|| {
         let mut map = HashMap::new();
         map.insert(
             "classes",
@@ -107,5 +109,5 @@ lazy_static! {
             ],
         );
         map
-    };
+    })
 }