klyn.StringBuilderSync.insert
method
public insert(position as Long, value as Char) as StringBuilderSync throws IndexException
Description

Inserts one Unicode scalar.

Parameters
ParameterDescription
positionInsertion position between 0 and length.
valueScalar to insert.
Returns

This builder.

Throws
  • IndexException if position is outside [0, length].
Example
builder = StringBuilderSync("AB")
builder.insert(1u, '😀')
assert builder.toString() == "A😀B"