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ferret/pkg/stdlib/strings/case.go
2018-10-14 13:06:27 -04:00

40 lines
1.0 KiB
Go

package strings
import (
"context"
"strings"
"github.com/MontFerret/ferret/pkg/runtime/core"
"github.com/MontFerret/ferret/pkg/runtime/values"
)
// Lower converts strings to their lower-case counterparts. All other characters are returned unchanged.
// @param src (String) - The source string.
// @returns (String) - THis string in lower case.
func Lower(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.EmptyString, err
}
text := strings.ToLower(args[0].String())
return values.NewString(text), nil
}
// Upper converts strings to their upper-case counterparts. All other characters are returned unchanged.
// @param src (String) - The source string.
// @returns (String) - THis string in upper case.
func Upper(_ context.Context, args ...core.Value) (core.Value, error) {
err := core.ValidateArgs(args, 1, 1)
if err != nil {
return values.EmptyString, err
}
text := strings.ToUpper(args[0].String())
return values.NewString(text), nil
}