@stdlib/assert
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Standard assertion utilities.
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{{alias}}( str, pos )
Tests if a position in a string marks the start of a UTF-16 surrogate pair.
Parameters
----------
str: string
Input string.
pos: integer
Position.
Returns
-------
bool: boolean
Boolean indicating whether surrogate pair exists at specified position.
Examples
--------
> var out = {{alias}}( '🌷', 0 )
true
> out = {{alias}}( '🌷', 1 )
false
See Also
--------