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dd7713e1e3
* MATCH, IFS, MAXA, MINA * OFFSET fixed * ISBLANK, ISERR, ISERROR, ISEVEN ,ISFORMULA, ISNONTEXT, ISNUMBER, ISODD, ISTEXT * ISLEAPYEAR, ISLOGICAL, ISNA, ISREF * FIND, FINDB * SEARCH, SEARCHB * CONCAT, CONCATENATE * YEAR, YEARFRAC * CONCAT is fixed, now TRUE and FALSE are concatenated instead of 1 and 0 in case of boolean results * NOW, TODAY, TIME, TIMEVALUE * DATE * DATEDIF
29 lines
782 B
Go
29 lines
782 B
Go
// Copyright 2017 FoxyUtils ehf. All rights reserved.
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//
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// Use of this source code is governed by the terms of the Affero GNU General
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// Public License version 3.0 as published by the Free Software Foundation and
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// appearing in the file LICENSE included in the packaging of this file. A
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// commercial license can be purchased on https://unidoc.io.
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package formula
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type Negate struct {
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e Expression
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}
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func NewNegate(e Expression) Expression {
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return Negate{e}
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}
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func (n Negate) Eval(ctx Context, ev Evaluator) Result {
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r := n.e.Eval(ctx, ev)
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if r.Type == ResultTypeNumber {
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return MakeNumberResult(-r.ValueNumber)
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}
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return MakeErrorResult("NEGATE expected number argument")
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}
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func (n Negate) Reference(ctx Context, ev Evaluator) Reference {
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return ReferenceInvalid
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}
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