get size/length of given collection

Parameters

size collection :null :string :binary :dictionary :object :block :range

Returns

Examples

copy
arr: ["one" "two" "three"]
print size arr                ; 3

copy
dict: #[name: "John", surname: "Doe"]
print size dict               ; 2

copy
str: "some text"
print size str                ; 9

print size "你好!"              ; 3

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