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- Dictionaryshow/ʃəʊ/
verb
- 1. allow or cause (something) to be visible: "a white blouse will show the blood" Similar Opposite
- 2. allow (a quality or emotion) to be perceived; display: "it was Frank's turn to show his frustration" Similar Opposite
noun
- 1. a spectacle or display, typically an impressive one: "spectacular shows of bluebells" Similar
- 2. a play or other stage performance, especially a musical. Similar
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Here's a minor hint: By writing instance Show (Leaf a) where show (Leaf a) = ??? what you actually did was define an empty Show instance, followed by a top-level show function. This is why you get the "ambiguous show " error; you've defined a new show function, whose name clashes with the existing one. What you meant to say was instance Show (Leaf a) where show (Leaf a) = ??? Note how the ...
I know that this is a long time after the original query, but this may still be useful. This can be done in GCC using the stringify operator "#", but it requires two additional stages to be defined first. #define XSTR(x) STR(x) #define STR(x) #x The value of a macro can then be displayed with: #pragma message "The value of ABC: " XSTR(ABC) See: 3.4 Stringification in the gcc online ...
To derive an instance, the syntax is instance «preconditions» => Class «type» where «method» = «definition» So here, for instance, you'd have instance Show Prediction where show (Prediction a b c) = show a ++ "-" ++ show b ++ "-" ++ show c There's no precondition; you'd use that for something like instance Show a => Show [a] where ..., which says that if a is showable, then so is [a ...
Aug 29, 2012 · The fact that 'show 1' and 'myshow 1' work is a special case (see Haskell report section on defaulting). Adding 'default ()' on top of the source code turns off defaulting and results in the code breaking at 'myshow 1' because the type ambiguity isn't resolved by defaulting any more.
Nov 13, 2009 · I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h>. However, there doesn't seem to be a definition for PI i...
Oct 13, 2009 · In JavaScript, one can print out the definition of a function. Is there a way to accomplish this in Python? (Just playing around in interactive mode, and I wanted to read a module without open(...
Sep 3, 2015 · Show class is traditionally use to "serialize" data, while Read class will de-serialize them. If you want to pretty print the output, you'd better write your own Octave -> String function.
Oct 7, 2020 · The reason for I wanting show to work this way is that the ''String" and "Int" type in the question is actually some other data type that I have defined using the "data" keyword, say "TypeA" and "TypeB".
Nov 27, 2015 · in C or C++ #define allows you to create preprocessor Macros. In the normal C or C++ build process the first thing that happens is that the PreProcessor runs, the preprocessor looks though the source files for preprocessor directives like #define or #include and then performs simple operations with them.
Dec 17, 2015 · Here is the example: With set define off, it took a row with &var value, prompted a user to enter a value for it and replaced &var with the entered value (in this case, X).
