tree 4f0f007ce82a67c2d32d8892411004a9d565a3b5
parent f6dbc6dc18e61c9b263aac4c908e25272a779586
author Paul Berry <stereotype441@gmail.com> 1600968479 -0700
committer GitHub <noreply@github.com> 1600968479 -0700
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Avoid converting stacktrace to nullable and then null checking it. (#82)

The Dart implementation will soon be changed so that a declaration
such as `T? x = y`, where `y` has a non-nullable type, automatically
promotes `x` to a non-nullable type.  This will in turn cause a
warning if a non-nullable value is assigned to a nullable variable and
then null checked.

We're currently doing that in one place, and there's no need to, so
remove the unnecessary type conversion and null check.