Merge pull request #33 from r-ml/clap-beta-4

Update clap

Author: fornwall

Cargo.lock

@@ -20,7 +20,7 @@ exclude = [
 ]
 
 [dependencies]
-clap = "3.0.0-beta.2"
+clap = "3.0.0-beta.4"
 dirs-next = "2"
 env_logger = "0.8"
 lazy_static = "1"

Cargo.toml

@@ -122,7 +122,7 @@ fn parse_args() -> Args {
             .arg(Arg::new("script-args")
                 .index(2)
                 .about("Arguments for the script to execute.")
-                .multiple(true)
+                .multiple_values(true)
                 .min_values(0)
             )
             .arg(Arg::new("expr")
@@ -165,23 +165,23 @@ fn parse_args() -> Args {
                 .long("dep")
                 .short('d')
                 .takes_value(true)
-                .multiple(true)
+                .multiple_values(true)
                 .number_of_values(1)
             )
             .arg(Arg::new("dep_extern")
                 .about("Like `dep`, except that it *also* adds a `#[macro_use] extern crate name;` item for expression and loop scripts. Note that this only works if the name of the dependency and the name of the library it generates are exactly the same.")
                 .long("dep-extern")
                 .short('D')
                 .takes_value(true)
-                .multiple(true)
+                .multiple_values(true)
                 .requires("expr_or_loop")
             )
             .arg(Arg::new("extern")
                 .about("Adds an `#[macro_use] extern crate name;` item for expressions and loop scripts.")
                 .long("extern")
                 .short('x')
                 .takes_value(true)
-                .multiple(true)
+                .multiple_values(true)
                 .requires("expr_or_loop")
             )
             .arg(Arg::new("features")
@@ -194,7 +194,7 @@ fn parse_args() -> Args {
                 .long("unstable-feature")
                 .short('u')
                 .takes_value(true)
-                .multiple(true)
+                .multiple_values(true)
                 .requires("expr_or_loop")
             )