FP Laboratory 2

Types

1. Using the GHCi command :info, learn the type of the following functions (and operators): +, sqrt, succ, max

1. Using the command :set +t it is possible to get the information about the type of the evaluated expressions. With this setting on evaluate expressions:

• 5 + 8 No comments
• 3 * 5 + 8 No comments
• 2 + 4 No comments
• sqrt 16 No comments
• succ 6 No comments
• succ 7 No comments
• pred 9 No comments
• pred 8 No comments
• sin (pi / 2) No comments
• truncate pi No comments
• round 3.5 No comments
• round 3.4 No comments
• floor 3.7 No comments
• ceiling 3.3 No comments