Kotlin
Kotlin
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kotlin.text.first

first

kotlin-stdlib / kotlin-text - first 
fun CharSequence.first(): Char

Returns first character.

Exceptions

NoSuchElementException - if the char sequence is empty.

inline fun CharSequence.first(
    predicate: (Char) -> Boolean
): Char

Returns the first character matching the given predicate.

Exceptions

NoSuchElementException - if no such character