33 lines
582 B
Go
33 lines
582 B
Go
package builtins
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import "monkey/object"
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import (
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"bufio"
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"fmt"
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"io"
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"os"
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)
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// Input ...
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func Input(args ...object.Object) object.Object {
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if len(args) > 0 {
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obj, ok := args[0].(*object.String)
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if !ok {
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return newError(
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"argument to `input` not supported, got %s",
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args[0].Type(),
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)
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}
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fmt.Fprintf(os.Stdout, obj.Value)
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}
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buffer := bufio.NewReader(os.Stdin)
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line, _, err := buffer.ReadLine()
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if err != nil && err != io.EOF {
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return newError(fmt.Sprintf("error reading input from stdin: %s", err))
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}
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return &object.String{Value: string(line)}
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}
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