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dict: implemented length of dict

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This commit is contained in:
Celestino Amoroso 2024-05-10 09:25:18 +02:00
parent 924051fbcd
commit 4aaffd6c44
2 changed files with 5 additions and 15 deletions
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17
dict_test.go
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@ -23,22 +23,9 @@ func TestDictParser(t *testing.T) {
inputs := []inputType{
/* 1 */ {`{}`, map[any]any{}, nil},
/* 2 */ {`{123}`, nil, errors.New(`[1:6] expected ":", got "}"`)},
/* 3 */ {`{1:"one",2:"two",3:"three"}`, map[int64]any{int64(1):"one", int64(2):"two", int64(3):"three"}, nil},
/* 3 */ {`{1:"one",2:"two",3:"three"}`, map[int64]any{int64(1): "one", int64(2): "two", int64(3): "three"}, nil},
/* 4 */ {`{1:"one",2:"two",3:"three"}.2`, "three", nil},
// /* 3 */ {`[1,2,"hello"]`, []any{int64(1), int64(2), "hello"}, nil},
// /* 4 */ {`[1+2, not true, "hello"]`, []any{int64(3), false, "hello"}, nil},
// /* 5 */ {`[1,2]+[3]`, []any{int64(1), int64(2), int64(3)}, nil},
// /* 6 */ {`[1,4,3,2]-[3]`, []any{int64(1), int64(4), int64(2)}, nil},
// /* 7 */ {`add([1,4,3,2])`, int64(10), nil},
// /* 8 */ {`add([1,[2,2],3,2])`, int64(10), nil},
// /* 9 */ {`mul([1,4,3.0,2])`, float64(24.0), nil},
// /* 10 */ {`add([1,"hello"])`, nil, errors.New(`add(): param nr 2 (2 in 1) has wrong type string, number expected`)},
// /* 11 */ {`[a=1,b=2,c=3] but a+b+c`, int64(6), nil},
// /* 12 */ {`[1,2,3] << 2+2`, []any{int64(1), int64(2), int64(3), int64(4)}, nil},
// /* 13 */ {`2-1 >> [2,3]`, []any{int64(1), int64(2), int64(3)}, nil},
// /* 14 */ {`[1,2,3].1`, int64(2), nil},
// /* 15 */ {`ls=[1,2,3] but ls.1`, int64(2), nil},
// /* 16 */ {`ls=[1,2,3] but ls.(-1)`, int64(3), nil},
/* 5 */ {`#{1:"one",2:"two",3:"three"}`, int64(3), nil},
}
succeeded := 0

3
operator-length.go
View File

@ -29,6 +29,9 @@ func evalLength(ctx ExprContext, self *term) (v any, err error) {
} else if IsString(childValue) {
s, _ := childValue.(string)
v = int64(len(s))
} else if IsDict(childValue) {
m, _ := childValue.(map[any]any)
v = int64(len(m))
} else if it, ok := childValue.(Iterator); ok {
if extIt, ok := childValue.(ExtIterator); ok && extIt.HasOperation(countName) {
count, _ := extIt.CallOperation(countName, nil)