just came across true + 3 == 4, and also true isa Number What is the reason why a boolean gets converted to Int automatically?

I found some related discussion here [image] Why is Bool an Integer? General Usage I just realized that Bool is a subtype of Integer… why? When I have a function that takes an Integer value I don’t expect to get dispatched with true or false value… That’s very C-like but…

Why Bool is a Number?

General Usage

bernhard June 22, 2020, 8:11am 2

I found some related discussion here

2 Likes

Topic		Replies	Views
Why is Bool an Integer? General Usage	1	2032	November 7, 2018
Why is a type when used as a function given a boolean true return a number? New to Julia	9	4365	March 1, 2019
Bools in arithmetic operations New to Julia boolean	8	1249	December 29, 2020
Conversion? General Usage	1	394	April 18, 2018
Boolean subtype confusion New to Julia	16	3865	September 1, 2019

Why Bool is a Number?

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