eva - calculator REPL, with syntax highlighting and persistent history

	Commit message (Collapse)	Author	Age	Files	Lines
*	improve highlight for `_`, store program state	NerdyPepper	2019-08-06	1	-2/+5
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*	Fix clippy lints	Ivan Tham	2019-08-03	1	-63/+64
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*	Lazy static lex constants	Ivan Tham	2019-08-03	1	-58/+57
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*	Add constants (e, pi)	Ivan Tham	2019-08-03	1	-4/+19
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*	Reuse ans output and fix tests	Ivan Tham	2019-08-03	1	-2/+2
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*	add previous answer access	NerdyPepper	2019-07-09	1	-2/+20
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*	add factorial operator	NerdyPepper	2019-04-01	1	-24/+33
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*	add radian mode opt	NerdyPepper	2019-03-31	1	-6/+16
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*	add inverse trignometric functions, remainder operator	NerdyPepper	2019-03-29	1	-2/+9
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*	handle some more errors	NerdyPepper	2019-03-29	1	-0/+7
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*	add copyright notice to all source files	NerdyPepper	2019-03-28	1	-0/+4
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*	add rad(), deg() and abs() functions	NerdyPepper	2019-03-27	1	-0/+3
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*	implement error handling in operators and functions	NerdyPepper	2019-03-23	1	-25/+33
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*	use dirty precedence hack to fix unary once and for all	NerdyPepper	2019-03-23	1	-4/+7
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*	fix unary operator lexing	NerdyPepper	2019-03-23	1	-4/+21
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*	add hyperbolic trignometric functions, tabularize	NerdyPepper	2019-03-22	1	-10/+13
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*	major refactor, lexer is easier to read	NerdyPepper	2019-03-22	1	-29/+41
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*	flatten lexer	NerdyPepper	2019-03-22	1	-12/+7
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*	support unary operators (minus and plus)	NerdyPepper	2019-03-22	1	-3/+19
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*	add floor and ceil fn	NerdyPepper	2019-03-22	1	-0/+2
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*	refactor into modules	NerdyPepper	2019-03-21	1	-0/+145