Arithmetic evaluation: Difference between revisions
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Julia's homoiconic nature and strong metaprogramming facilities make AST/Expression parsing and creation as accessible and programmatic as other language features |
Julia's homoiconic nature and strong metaprogramming facilities make AST/Expression parsing and creation as accessible and programmatic as other language features |
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<lang julia>julia> expr="2 * (3 -1) + 2 * 5" |
<lang julia>julia> expr="2 * (3 -1) + 2 * 5" |
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"2 * (3 -1) + 2 * 5" |
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julia> parsed = parse(expr) |
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:(+(*(2,-(3,1)),*(2,5))) |
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julia> t = typeof(parsed) |
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Expr |
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julia> names(t) #shows type fields |
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(:head,:args,:typ) |
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julia> expr="2 * (3 -1) + 2 * 5" |
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"2 * (3 -1) + 2 * 5" |
"2 * (3 -1) + 2 * 5" |
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