short circuit evaluation
Ruby doesn’t look at both expressions unless it has to; if it sees
false && true
it stops reading as soon as it sees && because it knows false && anything must be false.
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Kudos
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Kudos
Ruby doesn’t look at both expressions unless it has to; if it sees
false && true
it stops reading as soon as it sees && because it knows false && anything must be false.
I’ve been trying to figure out how it works. This morning I wanted to write it down my thinking process today, before I forget. block_given? block_given? is a method of Kernel module. In other words, it’s one of the same kind of puts,... Continue →