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diff --git a/clap/examples/12_typed_values.rs b/clap/examples/12_typed_values.rs
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+++ b/clap/examples/12_typed_values.rs
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+#[macro_use]
+extern crate clap;
+
+use clap::App;
+
+fn main() {
+    // You can use some convenience macros provided by clap to get typed values, so long as the
+    // type you specify implements std::str::FromStr
+    //
+    // This works for both single, and multiple values (multiple values returns a Vec<T>)
+    //
+    // There are also two ways in which to get types, those where failures cause the program to exit
+    // with an error and usage string, and those which return a Result<T,String> or Result<Vec<T>,String>
+    // respectively. Both methods support single and multiple values.
+    //
+    // The macro which returns a Result allows you decide what to do upon a failure, exit, provide a
+    // default value, etc. You have control. But it also means you have to write the code or boiler plate
+    // to handle those instances.
+    //
+    // That is why the second method exists, so you can simply get a T or Vec<T> back, or be sure the
+    // program will exit gracefully. The catch is, the second method should *only* be used on required
+    // arguments, because if the argument isn't found, it exits. Just FYI ;)
+    //
+    // The following example shows both methods.
+    //
+    // **NOTE:** to use the macros, you must include #[macro_use] just above the 'extern crate clap;'
+    // declaration in your crate root.
+    let matches = App::new("myapp")
+                        // Create two arguments, a required positional which accepts multiple values
+                        // and an optional '-l value'
+                        .args_from_usage(
+                            "<seq>... 'A sequence of whole positive numbers, i.e. 20 25 30'
+                            -l [len] 'A length to use, defaults to 10 when omitted'")
+                        .get_matches();
+
+    // Here we get a value of type u32 from our optional -l argument.
+    // If the value provided to len fails to parse, we default to 10
+    //
+    // Using other methods such as unwrap_or_else(|e| println!("{}",e))
+    // are possible too.
+    let len = value_t!(matches, "len", u32).unwrap_or(10);
+
+    println!("len ({}) + 2 = {}", len, len + 2);
+
+    // This code loops through all the values provided to "seq" and adds 2
+    // If seq fails to parse, the program exits, you don't have an option
+    for v in values_t!(matches, "seq", u32).unwrap_or_else(|e| e.exit()) {
+        println!("Sequence part {} + 2: {}", v, v + 2);
+    }
+}