Type Destructors current status

[goodmind]

This is a:

• Bug Report
• Feature Request
• Question
• Other

Which concerns:

• flow-runtime
• babel-plugin-flow-runtime
• flow-runtime-validators
• flow-runtime-mobx
• flow-config-parser
• The documentation website

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Let's track list of implemented type destructors:

• $Keys
• $Values
• $Exact
• $Diff
• $Rest
• $PropertyType
• $ElementType
• $NonMaybeType
• $ObjMap
• $ObjMapi
• $TupleMap
• $Call
• Class
• $Shape
• $Supertype
• $Subtype
• $ReadOnly
• $CharSet
• $Compose
• $ComposeReverse