insert

inline fun StringBuilder.insert(index: Int, csq: CharSequence?, start: Int, end: Int): StringBuilder(source)

Deprecated

Warning since 1.4

Error since 1.6

Use insertRange(index: Int, csq: CharSequence, start: Int, end: Int) instead

Replace with

insertRange(index, csq ?: "null", start, end)

Inserts characters in a subsequence of the specified character sequence csq into this string builder at the specified index and returns this instance.

The inserted characters go in the same order as in the csq character sequence, starting at index.

Since Kotlin

1.3

Parameters

index

the position in this string builder to insert at.

csq

the character sequence from which a subsequence is inserted. If csq is null, then characters will be inserted as if csq contained the four characters "null".

start

the beginning (inclusive) of the subsequence to insert.

end

the end (exclusive) of the subsequence to insert.

Throws

if index is less than zero or greater than the length of this string builder.