Has the introduction of something like: ```fun &lt...

# stdlib

[alexfacciorusso]

Has the introduction of something like:

fun <T> Boolean.map(valueTrue: T, valueFalse: T): T = if(this) valueTrue else valueFalse

in the stdlib been already asked/taken into consideration?

[serebit]

I imagine you have a use case in mind? I’m not sure why this would be preferable to a standard if/else

[alexfacciorusso]

Example (something I’ve just done):

fun setLoading(loading: Boolean) = loading.map(View.VISIBLE, View.INVISIBLE)

[alexfacciorusso]

I mean, pardon, the full implementation is:

override fun showLoading(loading: Boolean) {
    progressBar.visibility = loading.map(View.VISIBLE, View.INVISIBLE)
}

[Shawn]

progressBar.visibility = if (loading) View.VISIBLE else View.INVISIBLE

[Shawn]

much clearer than .map(??, ??)

[serebit]

I can definitely see the use case for it, although I do think the if/else is more readable

[jw]

if/else is also lazy

[jw]

if (loading) computeSomething() else computeOtherThing()