Hacked By AnonymousFox
--- !ruby/object:RI::MethodDescription
aliases: []
block_params:
comment:
- !ruby/struct:SM::Flow::P
body: "Returns a value from the hash for the given key. If the key can't be found, there are several options: With no other arguments, it will raise an <tt>IndexError</tt> exception; if <em>default</em> is given, then that will be returned; if the optional code block is specified, then that will be run and its result returned."
- !ruby/struct:SM::Flow::VERB
body: " h = { "a" => 100, "b" => 200 }\n h.fetch("a") #=> 100\n h.fetch("z", "go fish") #=> "go fish"\n h.fetch("z") { |el| "go fish, #{el}"} #=> "go fish, z"\n"
- !ruby/struct:SM::Flow::P
body: The following example shows that an exception is raised if the key is not found and a default value is not supplied.
- !ruby/struct:SM::Flow::VERB
body: " h = { "a" => 100, "b" => 200 }\n h.fetch("z")\n"
- !ruby/struct:SM::Flow::P
body: <em>produces:</em>
- !ruby/struct:SM::Flow::VERB
body: " prog.rb:2:in `fetch': key not found (IndexError)\n from prog.rb:2\n"
full_name: Hash#fetch
is_singleton: false
name: fetch
params: |
hsh.fetch(key [, default] ) => obj
hsh.fetch(key) {| key | block } => obj
visibility: public
Hacked By AnonymousFox1.0, Coded By AnonymousFox