24 lines
599 B
Go
24 lines
599 B
Go
package go_koans
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func aboutAllocation() {
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a := new(int)
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*a = 3
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assert(*a == __int__) // new() creates a pointer to the given type, like malloc() in C
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type person struct {
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name string
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age int
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}
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bob := new(person)
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assert(bob.age == __int__) // it can allocate memory for custom types as well
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slice := make([]int, 3)
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assert(len(slice) == __int__) // make() creates slices of a given length
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slice = make([]int, 3)
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assert(cap(slice) == 20) // but can also take an optional capacity
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m := make(map[int]string)
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assert(len(m) == __int__) // make() also creates maps
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}
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