literalNullSafeSpread function
Create a literal ...?
operator for use when creating a Map literal.
NOTE This is used as a sentinel when constructing a literalMap
or a
or literalConstMap
to signify that the value should be spread. Do NOT
reuse the value when creating a Map with multiple spreads.
Implementation
Expression literalNullSafeSpread() => LiteralSpreadExpression._(true);