Fix YAML::Schema::FailSafe.parse and parse_all and add specs #6790
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Fixes #6786
Currently both
YAML::Schema::FailSafe.parse
andYAML::Schema::FailSafe.parse_all
raise errors even if correct arguments are given.In
parse
usingfirst?
probably used to work but doesn't work anymore. So[0]?
is now used instead.At
parse_all
the wrong return type is specified. It must beArray(Any)
.This also adds a new file called
fail_safe_spec.cr
with specs forparse
andparse_all
.