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.

---
 .../handlers/generate_default_from_enum_variant.rs | 175 ---------------------
 1 file changed, 175 deletions(-)
 delete mode 100644 crates/assists/src/handlers/generate_default_from_enum_variant.rs

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

diff --git a/crates/assists/src/handlers/generate_default_from_enum_variant.rs b/crates/assists/src/handlers/generate_default_from_enum_variant.rs
deleted file mode 100644
index 6a2ab9596..000000000
--- a/crates/assists/src/handlers/generate_default_from_enum_variant.rs
+++ /dev/null
@@ -1,175 +0,0 @@
-use ide_db::helpers::FamousDefs;
-use ide_db::RootDatabase;
-use syntax::ast::{self, AstNode, NameOwner};
-use test_utils::mark;
-
-use crate::{AssistContext, AssistId, AssistKind, Assists};
-
-// Assist: generate_default_from_enum_variant
-//
-// Adds a Default impl for an enum using a variant.
-//
-// ```
-// enum Version {
-//  Undefined,
-//  Minor$0,
-//  Major,
-// }
-// ```
-// ->
-// ```
-// enum Version {
-//  Undefined,
-//  Minor,
-//  Major,
-// }
-//
-// impl Default for Version {
-//     fn default() -> Self {
-//         Self::Minor
-//     }
-// }
-// ```
-pub(crate) fn generate_default_from_enum_variant(
-    acc: &mut Assists,
-    ctx: &AssistContext,
-) -> Option<()> {
-    let variant = ctx.find_node_at_offset::<ast::Variant>()?;
-    let variant_name = variant.name()?;
-    let enum_name = variant.parent_enum().name()?;
-    if !matches!(variant.kind(), ast::StructKind::Unit) {
-        mark::hit!(test_gen_default_on_non_unit_variant_not_implemented);
-        return None;
-    }
-
-    if existing_default_impl(&ctx.sema, &variant).is_some() {
-        mark::hit!(test_gen_default_impl_already_exists);
-        return None;
-    }
-
-    let target = variant.syntax().text_range();
-    acc.add(
-        AssistId("generate_default_from_enum_variant", AssistKind::Generate),
-        "Generate `Default` impl from this enum variant",
-        target,
-        |edit| {
-            let start_offset = variant.parent_enum().syntax().text_range().end();
-            let buf = format!(
-                r#"
-
-impl Default for {0} {{
-    fn default() -> Self {{
-        Self::{1}
-    }}
-}}"#,
-                enum_name, variant_name
-            );
-            edit.insert(start_offset, buf);
-        },
-    )
-}
-
-fn existing_default_impl(
-    sema: &'_ hir::Semantics<'_, RootDatabase>,
-    variant: &ast::Variant,
-) -> Option<()> {
-    let variant = sema.to_def(variant)?;
-    let enum_ = variant.parent_enum(sema.db);
-    let krate = enum_.module(sema.db).krate();
-
-    let default_trait = FamousDefs(sema, Some(krate)).core_default_Default()?;
-    let enum_type = enum_.ty(sema.db);
-
-    if enum_type.impls_trait(sema.db, default_trait, &[]) {
-        Some(())
-    } else {
-        None
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use test_utils::mark;
-
-    use crate::tests::{check_assist, check_assist_not_applicable};
-
-    use super::*;
-
-    fn check_not_applicable(ra_fixture: &str) {
-        let fixture =
-            format!("//- /main.rs crate:main deps:core\n{}\n{}", ra_fixture, FamousDefs::FIXTURE);
-        check_assist_not_applicable(generate_default_from_enum_variant, &fixture)
-    }
-
-    #[test]
-    fn test_generate_default_from_variant() {
-        check_assist(
-            generate_default_from_enum_variant,
-            r#"
-enum Variant {
-    Undefined,
-    Minor$0,
-    Major,
-}"#,
-            r#"enum Variant {
-    Undefined,
-    Minor,
-    Major,
-}
-
-impl Default for Variant {
-    fn default() -> Self {
-        Self::Minor
-    }
-}"#,
-        );
-    }
-
-    #[test]
-    fn test_generate_default_already_implemented() {
-        mark::check!(test_gen_default_impl_already_exists);
-        check_not_applicable(
-            r#"
-enum Variant {
-    Undefined,
-    Minor$0,
-    Major,
-}
-
-impl Default for Variant {
-    fn default() -> Self {
-        Self::Minor
-    }
-}"#,
-        );
-    }
-
-    #[test]
-    fn test_add_from_impl_no_element() {
-        mark::check!(test_gen_default_on_non_unit_variant_not_implemented);
-        check_not_applicable(
-            r#"
-enum Variant {
-    Undefined,
-    Minor(u32)$0,
-    Major,
-}"#,
-        );
-    }
-
-    #[test]
-    fn test_generate_default_from_variant_with_one_variant() {
-        check_assist(
-            generate_default_from_enum_variant,
-            r#"enum Variant { Undefi$0ned }"#,
-            r#"
-enum Variant { Undefined }
-
-impl Default for Variant {
-    fn default() -> Self {
-        Self::Undefined
-    }
-}"#,
-        );
-    }
-}
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