tour: point out using a non-struct package type #208
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In "tour/methods/3" ("Methods continued") we have the first use of a
package local type that is not a struct and not an interface. Thus the
code setting variable "f" is somewhat novel and should be highlighted.
The slide text also talks about not being able to define methods on
"built-in types such as int" which is less interesting as the type
wrapped in the example code is "float64".
Point out that that "float64" is among the built-in types to mirror the
usage in the code ("methods-continued.go"). Explicitly call attention to
the creation of a MyFloat variable for use with a method.
Does some backfill for confusion in golang/tour#191
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In "tour/methods/3" ("Methods continued") we have the first use of a package local type that is not a struct and not an interface. Thus the code setting variable "f" is somewhat novel and should be highlighted. The slide text also talks about not being able to define methods on "built-in types such as int" which is less interesting as the type wrapped in the example code is "float64".
Point out that that "float64" is among the built-in types to mirror the usage in the code ("methods-continued.go"). Explicitly call attention to the creation of a MyFloat variable for use with a method.
Does some backfill for confusion in golang/tour#191