Inspired by Rails' MapWithIndifferentAccess, allows the substitution of symbols for strings as map keys.
A utility to help with mime type detection for a given file path or url
Extractor object, useful for handling empty form parameter submissions:
Executes a block with a closeable resource, and closes it after the block runs
Executes a block with a closeable resource, and closes it after the block runs
the return type of the block
the closeable resource type
the closeable resource
the block