From e4756cb4f6e66097638b9d101589358976be2ba8 Mon Sep 17 00:00:00 2001
From: Chetan Khilosiya <chetan.khilosiya@gmail.com>
Date: Tue, 23 Feb 2021 00:17:48 +0530
Subject: 7526: Rename crate assists to ide_assists.

---
 .../src/handlers/replace_let_with_if_let.rs        | 101 ---------------------
 1 file changed, 101 deletions(-)
 delete mode 100644 crates/assists/src/handlers/replace_let_with_if_let.rs

(limited to 'crates/assists/src/handlers/replace_let_with_if_let.rs')

diff --git a/crates/assists/src/handlers/replace_let_with_if_let.rs b/crates/assists/src/handlers/replace_let_with_if_let.rs
deleted file mode 100644
index 5a27ada6b..000000000
--- a/crates/assists/src/handlers/replace_let_with_if_let.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-use std::iter::once;
-
-use syntax::{
-    ast::{
-        self,
-        edit::{AstNodeEdit, IndentLevel},
-        make,
-    },
-    AstNode, T,
-};
-
-use crate::{AssistContext, AssistId, AssistKind, Assists};
-use ide_db::ty_filter::TryEnum;
-
-// Assist: replace_let_with_if_let
-//
-// Replaces `let` with an `if-let`.
-//
-// ```
-// # enum Option<T> { Some(T), None }
-//
-// fn main(action: Action) {
-//     $0let x = compute();
-// }
-//
-// fn compute() -> Option<i32> { None }
-// ```
-// ->
-// ```
-// # enum Option<T> { Some(T), None }
-//
-// fn main(action: Action) {
-//     if let Some(x) = compute() {
-//     }
-// }
-//
-// fn compute() -> Option<i32> { None }
-// ```
-pub(crate) fn replace_let_with_if_let(acc: &mut Assists, ctx: &AssistContext) -> Option<()> {
-    let let_kw = ctx.find_token_syntax_at_offset(T![let])?;
-    let let_stmt = let_kw.ancestors().find_map(ast::LetStmt::cast)?;
-    let init = let_stmt.initializer()?;
-    let original_pat = let_stmt.pat()?;
-    let ty = ctx.sema.type_of_expr(&init)?;
-    let happy_variant = TryEnum::from_ty(&ctx.sema, &ty).map(|it| it.happy_case());
-
-    let target = let_kw.text_range();
-    acc.add(
-        AssistId("replace_let_with_if_let", AssistKind::RefactorRewrite),
-        "Replace with if-let",
-        target,
-        |edit| {
-            let with_placeholder: ast::Pat = match happy_variant {
-                None => make::wildcard_pat().into(),
-                Some(var_name) => make::tuple_struct_pat(
-                    make::path_unqualified(make::path_segment(make::name_ref(var_name))),
-                    once(make::wildcard_pat().into()),
-                )
-                .into(),
-            };
-            let block =
-                make::block_expr(None, None).indent(IndentLevel::from_node(let_stmt.syntax()));
-            let if_ = make::expr_if(make::condition(init, Some(with_placeholder)), block, None);
-            let stmt = make::expr_stmt(if_);
-
-            let placeholder = stmt.syntax().descendants().find_map(ast::WildcardPat::cast).unwrap();
-            let stmt = stmt.replace_descendant(placeholder.into(), original_pat);
-
-            edit.replace_ast(ast::Stmt::from(let_stmt), ast::Stmt::from(stmt));
-        },
-    )
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::tests::check_assist;
-
-    use super::*;
-
-    #[test]
-    fn replace_let_unknown_enum() {
-        check_assist(
-            replace_let_with_if_let,
-            r"
-enum E<T> { X(T), Y(T) }
-
-fn main() {
-    $0let x = E::X(92);
-}
-            ",
-            r"
-enum E<T> { X(T), Y(T) }
-
-fn main() {
-    if let x = E::X(92) {
-    }
-}
-            ",
-        )
-    }
-}
-- 
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