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package go_koans
import "fmt"
func aboutStrings() {
assert("a"+__string__ == "abc") // string concatenation need not be difficult
assert(len("abc") == __int__) // and bounds are thoroughly checked
assert("abc"[0] == __byte__) // their contents are reminiscent of C
assert("smith"[2:] == __string__) // slicing may omit the end point
assert("smith"[:4] == __string__) // or the beginning
assert("smith"[2:4] == __string__) // or neither
assert("smith"[:] == __string__) // or both
assert("smith" == __string__) // they can be compared directly
assert("smith" < __string__) // i suppose maybe this could be useful.. someday
bytes := []byte{'a', 'b', 'c'}
assert(string(bytes) == __string__) // strings can be created from byte-slices
bytes[0] = 'z'
assert(string(bytes) == __string__) // byte-slices can be mutated, although strings cannot
assert(fmt.Sprintf("hello %s", __string__) == "hello world") // our old friend sprintf returns
assert(fmt.Sprintf("hello \"%s\"", "world") == __string__) // quoting is familiar
assert(fmt.Sprintf("hello %q", "world") == __string__) // although it can be done more easily
assert(fmt.Sprintf("your balance: %d and %0.2f", 3, 4.5589) == __string__) // "the root of all evil" is actually a misquotation, by the way
}