- What's wrong with the following line of code? Correct it:
name: John
- Examine the system word in the console with ? system.
- Give the values of i1 and i2 after evaluating i2: 1 + i1: 1.
- To better see the difference between them, use print and probe on [10 * 5].
- Coming from other languages, it is common to type the mistake to_float 42; what happens then? Explain this.
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See whether you can find the results of the following expressions for yourself (see Chapter03/evaluation.red):
print (6 < 13) and (42 < 33) print (43 < 42) xor (44 < 43) print complement 3
- From the following code snippet evaluate the last three lines and explain the results:
a: "red" ;== "red" b: copy a ;== "red" a = b a == b a =? b
- What's the output of ...