point_locked

Gamma: Version 4.0
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# `point_locked`

`point_locked` -- indicates if a point is locked.

## Syntax

    point_locked (symbol)

## Arguments

`symbol`

  A point name, as a symbol.

## Returns

t if locked, or nil if not locked.

## Example

        Gamma> lock_point(#f,t);
        t
        Gamma> next_event();
        nil
        Gamma> point_locked(#f);
        t
        Gamma> lock_point(#f,nil);
        t
        Gamma> next_event();
        nil
        Gamma> point_locked(#f);
        nil
        Gamma>

## See Also

`lock_point`

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`lock_point` | Up | `point_nanoseconds`

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