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function mapValues(obj, fn) { | |
return Object.keys(obj).reduce((result, key) => { | |
result[key] = fn(obj[key], key); | |
return result; | |
}, {}); | |
} | |
function pick(obj, fn) { | |
return Object.keys(obj).reduce((result, key) => { | |
if (fn(obj[key])) { |
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#!/usr/bin/env ruby | |
# Given a file and method_name | |
# Show all the different implementations across the git history (first commit per implementation). | |
# | |
# show_method_history <file> <method_name> --html | |
# | |
# e.g. show_method_history test/test_helper.rb sign_in --html | |
# | |
# WARNING: the --html output just dumps html files into your current folder. | |
# |