diff options
| -rw-r--r-- | ethutil/value.go | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/ethutil/value.go b/ethutil/value.go index d3a38f87f..03d23d559 100644 --- a/ethutil/value.go +++ b/ethutil/value.go @@ -36,7 +36,8 @@ func (val *Value) Len() int { if data, ok := val.Val.([]interface{}); ok { return len(data) } else if data, ok := val.Val.([]byte); ok { - // FIXME + return len(data) + } else if data, ok := val.Val.(string); ok { return len(data) } @@ -139,6 +140,19 @@ func (val *Value) SliceFromTo(from, to int) *Value { return NewValue(slice[from:to]) } +// TODO More type checking methods +func (val *Value) IsSlice() bool { + return val.Type() == reflect.Slice +} + +func (val *Value) IsStr() bool { + return val.Type() == reflect.String +} + +func (val *Value) IsEmpty() bool { + return (val.IsSlice() || val.IsStr()) && val.Len() == 0 +} + // Threat the value as a slice func (val *Value) Get(idx int) *Value { if d, ok := val.Val.([]interface{}); ok { |