datatype()

datatype() returns the best fitting type for a header value on a given line. String is considered the least specific type, meaning that a type is only considered a string if all other types do not match. For example, "" is considered a none() match and "false" is considered a boolean() match.

Data signatures
datatype( header of value: $${\color{green}str}$$ )

Call signatures
datatype( header of value: Variable ǁ Header ǁ Function )

Purpose	Value
Main focus	datatype() produces a calculated value

Context	Qualifier
Match qualifiers	onmatch
Value qualifiers	onmatch

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