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Scheme: Compound Data

Scheme: Compound Data. Chapter 6 of HTDP Ms. Knudtzon September 19. Checkpoint. Homework: check-color Exercise. Introduction. Rarely do we have such simple data that we can represent it with a single number, string, symbol, or boolean

665 views • 55 slides

TeachScheme, ReachJava

TeachScheme, ReachJava. Adelphi University Tuesday afternoon July 13, 2010. Recall left/right arrow animation. Could obviously have picture move up or down, rather than left or right Could have circle of radius that increases or decreases etc.

594 views • 50 slides

TeachScheme, ReachJava

TeachScheme, ReachJava. Adelphi University Tuesday afternoon July 13, 2010. Recall left/right arrow animation. Could obviously have picture move up or down, rather than left or right Could have circle of radius that increases or decreases etc.

508 views • 50 slides

TeachScheme, ReachJava

TeachScheme, ReachJava. Adelphi University Tuesday morning June 23, 2009. A new type: symbol. "foo-bar" is a string 'foo-bar is a symbol (yes, no closing apostrophe) Spelling rule: basically the same as a variable or function name, but preceded with apostrophe Built-in function

505 views • 50 slides

1321

563 views • 40 slides

Section 6.1: Structures (continued)

Section 6.1: Structures (continued). Example 1: in-left-side?. ; Purpose: To determine whether a point is in the leftmost 150 pixels of the screen. ; Contract : posn -> boolean "Examples of in-left-side?:" (in-left-side? (make-posn 5 7)) "should be" true

332 views • 24 slides

Section 6.1: Structures (continued)

Section 6.1: Structures (continued). Example 1: in-left-side?. ; Purpose: To determine whether a point is in the leftmost 150 pixels of the screen. ; Contract : posn -> boolean "Examples of in-left-side?:" (in-left-side? (make-posn 5 7)) "should be" true

243 views • 24 slides

GBK Programming 1

238 views • 10 slides