Chris Bracken 0b939b3cf1 Assert in place of ArgumentError for null checks (flutter/engine#5612) ...

For consistency with the rest of dart:ui, check required parameters with
assert(param != null) rather than throwing ArgumentError. ArgumentError
is typically reserved for checking the validity of non-null args -- e.g.
that a list has the required number of elements.

2018-06-25 16:33:33 -07:00

..

src/flutter

Assert in place of ArgumentError for null checks (flutter/engine#5612)

2018-06-25 16:33:33 -07:00