Initial data commit

Task/Conditional-structures/Slate/conditional-structures-1.slate

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+"Conditionals in Slate are really messages sent to Boolean objects. Like Smalltalk. (But the compiler might optimize some cases)"
+ balance > 0
+     ifTrue: [inform: 'still sitting pretty!'.]
+     ifFalse: [inform: 'No money till payday!'.].

Task/Conditional-structures/Slate/conditional-structures-2.slate

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+c@(Net URLPathEncoder traits) convert
+[ | byte1 byte2 byte3 digit1 digit2|
+  [c in isAtEnd] whileFalse:
+    [byte1: c in next.
+     byte1 caseOf: {
+       $+ -> [c out nextPut: $\s].
+       $% -> [byte2: c in next.
+              byte3: c in next.
+              digit1: (byte2 toDigit: 16).
+              digit2: (byte3 toDigit: 16).
+              digit1 isNil \/ [digit2 isNil] ifTrue: [error: 'Error reading hex sequence after %'].
+              c out nextPut: (digit1 * 16 + digit2 as: c out elementType)].
+     } otherwise: [c out nextPut: byte1].
+     ].
+].

Task/Conditional-structures/Slate/conditional-structures-3.slate

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+[p isAtEnd] whileFalse: [p next evaluate]].