Merge pull request clap-rs#3736 from epage/edition

fix: Switch to 2021 edition

Cargo.toml

@@ -1,30 +1,30 @@
 [workspace]
 members = [
-	"clap_derive",
-	"clap_lex",
-	"clap_complete",
-	"clap_complete_fig",
-	"clap_mangen",
+  "clap_derive",
+  "clap_lex",
+  "clap_complete",
+  "clap_complete_fig",
+  "clap_mangen",
 ]
 
 [package]
 name = "clap"
 version = "3.1.18"
-rust-version = "1.56.0"  # MSRV
 description = "A simple to use, efficient, and full-featured Command Line Argument Parser"
 repository = "https://github.com/clap-rs/clap"
 documentation = "https://docs.rs/clap/"
 categories = ["command-line-interface"]
 keywords = [
-	"argument",
-	"cli",
-	"arg",
-	"parser",
-	"parse"
+  "argument",
+  "cli",
+  "arg",
+  "parser",
+  "parse"
 ]
-edition = "2018"
 license = "MIT OR Apache-2.0"
 readme = "README.md"
+edition = "2021"
+rust-version = "1.56.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",
@@ -59,9 +59,9 @@ pre-release-replacements = [
 
 [features]
 default = [
-	"std",
-	"color",
-	"suggestions",
+  "std",
+  "color",
+  "suggestions",
 ]
 debug = ["clap_derive/debug", "backtrace"] # Enables debug messages
 unstable-doc = ["derive", "cargo", "wrap_help", "yaml", "env", "unicode", "regex", "unstable-replace", "unstable-multicall", "unstable-grouped"] # for docs.rs

clap_complete/Cargo.toml

@@ -1,7 +1,20 @@
 [package]
 name = "clap_complete"
 version = "3.1.4"
-edition = "2018"
+description = "Generate shell completion scripts for your clap::Command"
+repository = "https://github.com/clap-rs/clap/tree/master/clap_complete"
+documentation = "https://docs.rs/clap_complete"
+categories = ["command-line-interface"]
+keywords = [
+  "clap",
+  "cli",
+  "completion",
+  "bash",
+]
+license = "MIT OR Apache-2.0"
+readme = "README.md"
+edition = "2021"
+rust-version = "1.56.0"  # MSRV
 include = [
   "build.rs",
   "src/**/*",
@@ -11,18 +24,9 @@ include = [
   "benches/**/*",
   "examples/**/*"
 ]
-description = "Generate shell completion scripts for your clap::Command"
-repository = "https://github.com/clap-rs/clap/tree/master/clap_complete"
-documentation = "https://docs.rs/clap_complete"
-keywords = [
-	"clap",
-	"cli",
-	"completion",
-	"bash",
-]
-categories = ["command-line-interface"]
-license = "MIT OR Apache-2.0"
-readme = "README.md"
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
 
 [package.metadata.release]
 pre-release-replacements = [
@@ -61,6 +65,3 @@ required-features = ["unstable-dynamic"]
 default = []
 unstable-dynamic = ["clap_lex", "shlex", "unicode-xid", "os_str_bytes", "clap/derive", "is_executable", "pathdiff"]
 debug = ["clap/debug"]
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

clap_complete_fig/Cargo.toml

@@ -1,26 +1,29 @@
 [package]
 name = "clap_complete_fig"
 version = "3.1.5"
-edition = "2018"
-include = [
-	"src/**/*",
-	"Cargo.toml",
-	"LICENSE-*",
-	"README.md"
-]
 description = "A generator library used with clap for Fig completion scripts"
 repository = "https://github.com/clap-rs/clap/tree/master/clap_complete_fig"
 documentation = "https://docs.rs/clap_complete_fig"
+categories = ["command-line-interface"]
 keywords = [
-	"clap",
-	"cli",
-	"generate",
-	"completion",
-	"fig",
+  "clap",
+  "cli",
+  "completion",
+  "fig",
 ]
-categories = ["command-line-interface"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
+edition = "2021"
+rust-version = "1.56.0"  # MSRV
+include = [
+  "build.rs",
+  "src/**/*",
+  "Cargo.toml",
+  "LICENSE*",
+  "README.md",
+  "benches/**/*",
+  "examples/**/*"
+]
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]

clap_derive/Cargo.toml

@@ -1,26 +1,33 @@
 [package]
 name = "clap_derive"
 version = "3.1.18"
-edition = "2018"
-include = [
-	"src/**/*",
-	"Cargo.toml",
-	"LICENSE-*",
-	"README.md"
-]
 description = "Parse command line argument by defining a struct, derive crate."
 repository = "https://github.com/clap-rs/clap/tree/master/clap_derive"
 documentation = "https://docs.rs/clap_derive"
+categories = ["command-line-interface", "development-tools::procedural-macro-helpers"]
 keywords = [
-	"clap",
-	"cli",
-	"parse",
-	"derive",
-	"proc_macro"
+  "clap",
+  "cli",
+  "parse",
+  "derive",
+  "proc_macro"
 ]
-categories = ["command-line-interface", "development-tools::procedural-macro-helpers"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
+edition = "2021"
+rust-version = "1.56.0"  # MSRV
+include = [
+  "build.rs",
+  "src/**/*",
+  "Cargo.toml",
+  "LICENSE*",
+  "README.md",
+  "benches/**/*",
+  "examples/**/*"
+]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
 
 [package.metadata.release]
 shared-version = true
@@ -45,6 +52,3 @@ proc-macro-error = "1"
 default = []
 debug = []
 unstable-v4 = []
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]

clap_lex/Cargo.toml

@@ -1,26 +1,30 @@
 [package]
 name = "clap_lex"
 version = "0.2.0"
-edition = "2018"
-include = [
-	"src/**/*",
-	"Cargo.toml",
-	"LICENSE-*",
-	"README.md"
-]
 description = "Minimal, flexible command line parser"
 repository = "https://github.com/clap-rs/clap/tree/master/clap_lex"
 documentation = "https://docs.rs/clap_lex"
+categories = ["command-line-interface"]
 keywords = [
-	"argument",
-	"cli",
-	"arg",
-	"parser",
-	"parse"
+  "argument",
+  "cli",
+  "arg",
+  "parser",
+  "parse"
 ]
-categories = ["command-line-interface"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
+edition = "2021"
+rust-version = "1.56.0"  # MSRV
+include = [
+  "build.rs",
+  "src/**/*",
+  "Cargo.toml",
+  "LICENSE*",
+  "README.md",
+  "benches/**/*",
+  "examples/**/*"
+]
 
 [package.metadata.release]
 pre-release-replacements = [

clap_mangen/Cargo.toml

@@ -1,25 +1,32 @@
 [package]
 name = "clap_mangen"
 version = "0.1.6"
-edition = "2018"
-include = [
-	"src/**/*",
-	"Cargo.toml",
-	"LICENSE-*",
-	"README.md"
-]
 description = "A manpage generator for clap"
 repository = "https://github.com/clap-rs/clap/tree/master/clap_mangen"
 documentation = "https://docs.rs/clap_mangen"
+categories = ["command-line-interface"]
 keywords = [
-	"clap",
-	"cli",
-	"generate",
-	"manpage",
+  "clap",
+  "cli",
+  "generate",
+  "manpage",
 ]
-categories = ["command-line-interface"]
 license = "MIT OR Apache-2.0"
 readme = "README.md"
+edition = "2021"
+rust-version = "1.56.0"  # MSRV
+include = [
+  "build.rs",
+  "src/**/*",
+  "Cargo.toml",
+  "LICENSE*",
+  "README.md",
+  "benches/**/*",
+  "examples/**/*"
+]
+
+[package.metadata.docs.rs]
+targets = ["x86_64-unknown-linux-gnu"]
 
 [package.metadata.release]
 pre-release-replacements = [
@@ -45,6 +52,3 @@ clap = { path = "../", version = "3.1.10", default-features = false, features =
 [features]
 default = []
 debug = ["clap/debug"]
-
-[package.metadata.docs.rs]
-targets = ["x86_64-unknown-linux-gnu"]