Fix typos in ARCHITECTURE.md and a number of crates

specifically: gen_lsp_server, ra_arena, ra_cli, ra_db, ra_hir

crates/ra_hir/src/code_model_api.rs

@@ -13,8 +13,8 @@ use crate::{
     ty::InferenceResult,
 };
 
-/// hir::Crate describes a single crate. It's the main inteface with which
-/// crate's dependencies interact. Mostly, it should be just a proxy for the
+/// hir::Crate describes a single crate. It's the main interface with which
+/// a crate's dependencies interact. Mostly, it should be just a proxy for the
 /// root module.
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct Crate {
@@ -78,6 +78,7 @@ impl Module {
     pub fn definition_source(&self, db: &impl HirDatabase) -> Cancelable<(FileId, ModuleSource)> {
         self.definition_source_impl(db)
     }
+
     /// Returns a node which declares this module, either a `mod foo;` or a `mod foo {}`.
     /// `None` for the crate root.
     pub fn declaration_source(
@@ -91,20 +92,24 @@ impl Module {
     pub fn krate(&self, db: &impl HirDatabase) -> Cancelable<Option<Crate>> {
         self.krate_impl(db)
     }
+
     /// Topmost parent of this module. Every module has a `crate_root`, but some
-    /// might miss `krate`. This can happen if a module's file is not included
-    /// into any module tree of any target from Cargo.toml.
+    /// might be missing `krate`. This can happen if a module's file is not included
+    /// in the module tree of any target in Cargo.toml.
     pub fn crate_root(&self, db: &impl HirDatabase) -> Cancelable<Module> {
         self.crate_root_impl(db)
     }
+
     /// Finds a child module with the specified name.
     pub fn child(&self, db: &impl HirDatabase, name: &Name) -> Cancelable<Option<Module>> {
         self.child_impl(db, name)
     }
+
     /// Finds a parent module.
     pub fn parent(&self, db: &impl HirDatabase) -> Cancelable<Option<Module>> {
         self.parent_impl(db)
     }
+
     pub fn path_to_root(&self, db: &impl HirDatabase) -> Cancelable<Vec<Module>> {
         let mut res = vec![self.clone()];
         let mut curr = self.clone();
@@ -114,13 +119,16 @@ impl Module {
         }
         Ok(res)
     }
+
     /// Returns a `ModuleScope`: a set of items, visible in this module.
     pub fn scope(&self, db: &impl HirDatabase) -> Cancelable<ModuleScope> {
         self.scope_impl(db)
     }
+
     pub fn resolve_path(&self, db: &impl HirDatabase, path: &Path) -> Cancelable<PerNs<DefId>> {
         self.resolve_path_impl(db, path)
     }
+
     pub fn problems(
         &self,
         db: &impl HirDatabase,
@@ -140,6 +148,7 @@ impl StructField {
     pub fn name(&self) -> &Name {
         &self.name
     }
+
     pub fn type_ref(&self) -> &TypeRef {
         &self.type_ref
     }
@@ -160,18 +169,21 @@ impl VariantData {
             _ => &[],
         }
     }
+
     pub fn is_struct(&self) -> bool {
         match self {
             VariantData::Struct(..) => true,
             _ => false,
         }
     }
+
     pub fn is_tuple(&self) -> bool {
         match self {
             VariantData::Tuple(..) => true,
             _ => false,
         }
     }
+
     pub fn is_unit(&self) -> bool {
         match self {
             VariantData::Unit => true,