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Abstract syntax tree

Abstract syntax tree (AST) is a data structure representing something which has been parsed, often used as a compiler or interpreter's internal representation of a computer program while it is being optimised and from which code generation is performed. The range of all possible such structures is described by the abstract syntax.

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British Empire

... free trade alone without having to resort to formal rule or mercantilism. Britain was even supplying half the needs in manufactured goods of such nations as Germany, ...