Remove TeeWriter

[tigerwill90]

Description

This PR removes the TeeWriter method from the Context interface. The decision to remove this method is based on the assessment that it does not add significant value to the current implementation. The functionality provided TeeWriter can be effectively replaced and extended by middleware solutions. Specifically, the foxdump middleware is planned to implement similar functionality, offering a more modular and flexible approach to capturing and duplicating response bodies for logging, debugging, or any other purposes that require access to the response body data stream.

Removed Method Detail

The TeeWriter method was designed to append an additional writer (sink) to which the response body would be simultaneously written, alongside the primary ResponseWriter. This method aimed to facilitate scenarios where capturing the response body for logging or analysis was necessary without disrupting the standard response flow to the client.

Performance

goos: linux
goarch: amd64
pkg: github.com/tigerwill90/fox
cpu: Intel(R) Core(TM) i9-9900K CPU @ 3.60GHz
                    │   old.txt    │               new.txt               │
                    │    sec/op    │    sec/op     vs base               │
StaticAll-16          11.16µ ±  1%   11.26µ ±  1%  +0.88% (p=0.003 n=10)
GithubParamsAll-16    83.33n ±  1%   82.90n ±  2%       ~ (p=0.165 n=10)
OverlappingRoute-16   98.27n ±  0%   94.97n ±  1%  -3.35% (p=0.000 n=10)
StaticParallel-16     10.29n ±  1%   10.29n ±  4%       ~ (p=0.926 n=10)
CatchAll-16           31.38n ±  1%   31.71n ±  1%  +1.04% (p=0.050 n=10)
CatchAllParallel-16   5.918n ± 12%   5.806n ± 22%       ~ (p=0.280 n=10)
CloneWith-16          70.51n ±  1%   69.78n ±  2%  -1.03% (p=0.028 n=10)
geomean               74.15n         73.62n        -0.71%

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (4858ca2) 84.32% compared to head (011ea2b) 87.02%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #28      +/-   ##
==========================================
+ Coverage   84.32%   87.02%   +2.69%     
==========================================
  Files          12       12              
  Lines        1831     1657     -174     
==========================================
- Hits         1544     1442     -102     
+ Misses        252      185      -67     
+ Partials       35       30       -5     

Flag	Coverage Δ
coverage.txt	87.02% <ø> (+2.69%)	⬆️

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