46 lines
823 B
Plaintext
46 lines
823 B
Plaintext
# Milestone 6: compound assignment (`+=`, `-=`, `*=`, `/=`) and the binary
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# arithmetic operators `-`, `*`, `/` with multiplicative precedence.
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check_float func() i32 {
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x f64 = 10.0
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x /= 4.0 # 2.5
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x *= 2.0 # 5.0
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x -= 1.0 # 4.0
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x += 0.5 # 4.5
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if x > 4.0 {
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return 1
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}
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return 0
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}
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check_unsigned func() i32 {
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n u32 = 100
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n /= 7 # 14 (truncating integer division)
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n -= 4 # 10
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if n == 10 {
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return 1
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}
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return 0
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}
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main func() i32 {
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total i32 = 0
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total += 10 # 10
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total -= 3 # 7
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total *= 4 # 28
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total /= 2 # 14
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# binary operators honour precedence: 14 + (2 * 3) - 4 == 16
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total = total + 2 * 3 - 4
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# compound assignment as a while-loop update
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i i32 = 0
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while i < 5 : i += 1 {
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total += 1 # +5 => 21
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}
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total += check_float() # +1 => 22
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total += check_unsigned() # +1 => 23
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return total
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}
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