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//------------------------------------------------------------- | |
// | |
// Hypothesis: | |
// | |
// Promises/A is a Monad | |
// | |
// To be a Monad, it must provide at least: | |
// - A unit (aka return or mreturn) operation that creates a corresponding | |
// monadic value from a non-monadic value. | |
// - A bind operation that applies a function to a monadic value |
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## Prepare ################################################################### | |
# Remove RVM | |
rvm implode | |
# Ensure your homebrew is working properly and up to date | |
brew doctor | |
brew update | |
## Install ################################################################### |