clerk @ fd46af1560de1b82a363b5dd083110d0deb5525a

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         	"multiple-omitted-amounts": {&MultipleOmittedAmounts{}},

      
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         	"orderdate":                {&OrderDate{}},

      
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         	"duplicated-account":       {&DuplicatedAccount{}},

      
        
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        +	"duplicated-commodity":     {&DuplicatedCommodity{}},

      
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         }

      
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        24
         

      
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         func TestLinter(t *testing.T) {

      

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        +package linter

      
        
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        +

      
        
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        +import "olexsmir.xyz/clerk/journal/ast"

      
        
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        +

      
        
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        +// DuplicatedCommodity flags commodity declarations that appear more than once.

      
        
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        +type DuplicatedCommodity struct{}

      
        
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        +

      
        
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        +func (DuplicatedCommodity) ID() RuleID         { return "duplicated-commodity" }

      
        
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        +func (DuplicatedCommodity) Severity() Severity { return SeverityWarning }

      
        
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        +func (d *DuplicatedCommodity) CheckJournal(j *ast.Journal) []Find {

      
        
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        +	var finds []Find

      
        
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        +	seen := make(map[string]bool)

      
        
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        +

      
        
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        +	for _, entry := range j.Entries {

      
        
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        +		cd, ok := entry.(*ast.CommodityDirective)

      
        
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        +		if !ok {

      
        
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        +			continue

      
        
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        +		}

      
        
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        +

      
        
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        +		name := cd.Commodity

      
        
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        +		if seen[name] {

      
        
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        +			finds = append(finds, Find{

      
        
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        +				Code:     d.ID(),

      
        
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        +				Severity: d.Severity(),

      
        
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        +				Message:  "duplicated commodity declaration: " + name,

      
        
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        +				Span:     cd.Span,

      
        
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        +			})

      
        
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        +		}

      
        
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        +

      
        
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        +		seen[name] = true

      
        
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        +	}

      
        
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        +

      
        
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        +	return finds

      
        
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        +}

      

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         	&MultipleOmittedAmounts{},

      
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         	&OrderDate{},

      
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         	&DuplicatedAccount{},

      
        
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        +	&DuplicatedCommodity{},

      
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         }

      

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        +duplicated-commodity.journal:4:1: duplicated-commodity: duplicated commodity declaration: USD

      
        
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        +duplicated-commodity.journal:6:1: duplicated-commodity: duplicated commodity declaration: EUR

      

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        +commodity USD

      
        
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        +commodity EUR

      
        
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        +commodity GBP

      
        
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        +commodity USD

      
        
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        +commodity JPY

      
        
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        +commodity EUR